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Codeofchina.com is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative. This standard replaces GB/T 12604.5-1990 Terminology for Non-destructive Testing — Magnetic Particle Testing. The following technical deviations have been made with respect to the GB/T 12604.5-1990 (the previous edition): — Terms and Definitions is modified (Clauses 2, 3 and 4 of Edition 1990; Clause 2 of this edition). This standard was proposed by China Machinery Industry Federation. This standard was prepared by SAC/TC 56 (National Technical Committee 56 on Non-destructive Testing of Standardization Administration of China). The previous editions of this standard are as follows: — GB/T 12604.5-1990. Non-destructive Testing — Terminology — Terms Used in Magnetic Particle Testing 1 Scope This standard defines terms used in magnetic particle testing as a common basis for standards and general use. 2 Terms and Definitions 2.1 A.C. electromagnet yoke yoke connected to the AC power 2.2 alternating current current whose magnitude and direction vary sinusoidally with time, is indicated by the symbol AC 2.3 alternating current field conductor is connected to an alternating current, and a magnetic field is induced inside and around the conductor 2.4 alternating current magnetization magnetization with a magnetic field generated by an alternating current inductor 2.5 ampere unit of current, abbreviated as A or amp 2.6 ampere per meter magnetic field strength at the center of the coil when a single-turn coil of 1 m in diameter is used in the air with a current of 1 A. Abbreviated as A•m-1 or A/m 2.7 ampere turns product of the number of turns of a coil and the current in amperes flowing through the coil 2.8 arc glow caused by discharge when an electric current passes through a gas clearance 2.9 arc strikes partial burn damage of a component due to poor electrical contact 2.10 axial current flow component is clamped along the axis between the two magnetic chucks of the flaw detector to allow current to flow directly through the component to be inspected, creating a closed circular magnetic field on the surface and inside of the component 2.11 black light ultraviolet light with a wavelength of 320 nm to 400 nm (3 200 Å to 4 000 Å), i.e. UV-A 2.12 black light filter filter that absorbs other wavelengths but allows near-ultraviolet transmission 2.13 cancel magnetic field when the ferromagnetic material is magnetized, the magnetic field generated by the magnetic poles in the material is a cancel magnetic field, which weakens the external magnetic field 2.14 central conductor electric conductor positioned in the centre of an aperture of the component is energized to form a circular magnetic field on the component after current flow 2.15 circular magnetic field magnetic field generated inside and around the component when current flow through the elongated conductor 2.16 circular magnetization current flows directly through the component or through the central conductor, generating a circumferentially closed magnetic field in the component that surrounds it and is perpendicular to it's long axis 2.17 circumferential magnetization see circular magnetization (2.16) 2.18 coercive force magnitude of the reverse magnetic field required to reduce the residual magnetic induction to zero 2.19 coil method method of wrapping a current carrying conductor coil around all or part of a component to make it fully or partially magnetized 2.20 coil shot technique in which a current is passed around a coil surrounding a component to magnetize it longitudinally 2.21 coil technique see coil method (2.19) 2.22 color magnetic particles white or other color magnetic particles made of industrial pure iron particles or other raw materials and coated with adhesive 2.23 rectified current alternating current is converted into a unidirectional current by a rectification method 2.24 contrast aid paints in order to improve the contrast between the magnetic particles display and the surface color of the component, a white suspension may be applied to the component surface before the flaw detection, and the suspension is called as contrast aid paints 2.25 contact head electrode for clamping the component to facilitate current flow 2.26 contact method see current flow techniques (2.31) 2.27 contact pad braid that is placed on the electrode to improve electrical contact and prevent arc strikes from the component, typically made of lead or copper 2.28 continuous technique procedure in which a component is magnetized while applying magnetic particles 2.29 crossed yoke magnetic particle inspection device that produces a rotating magnetic field on the same plane (or curved surface), two-phase sinusoidal alternating magnetic fields having a certain phase difference (not equal to 0° or 180°) and crossing each other at an angle (not equal to 0° or 180°) are superimposed on each other 2.30 curie point temperature at which the ferromagnetic material cannot be magnetized and the residual magnetic field disappears under the action of an external magnetic field (most metals are 650℃ to 870℃). 2.31 current flow techniques method of magnetizing a current through a component using a contactor or contact head; the current can be AC, DC or rectified 2.32 current induction technique by the action of the alternating magnetic field, a method of inducing a ring current in the annular component to realize magnetization is achieved 2.33 dark adaptation transient time of visual adjustments to the environments with reduced illumination 2.34 D.C. electromagnet yoke yoke connected to the DC power 2.35 demagnetization reduce the residual magnetic field of the magnetized ferromagnetic material or component to an acceptable level 2.36 demagnetization coil special coil for demagnetization 2.37 diamagnetic material materials with a relative magnetic permeability slightly less than 1 2.38 direct current current of constant in both size and direction and is represented by the symbol DC 2.39 direct current field residual magnet ic field or active magnetic field generated by a direct current passing through a conductor 2.40 magnetic domain small area of spontaneous magnetization that exists inside the ferromagnetic material 2.41 dry method method of magnetic particle detection using dry magnetic powder 2.42 dry magnetic powder dry, particulate, magnetic powder of suitable size and shape for detecting discontinuities 2.43 electrode conductor that introduces electrical current into or out of a component 2.44 electromagnet soft iron core wound around a coil becomes a temporary magnet as current passes through the coil 2.45 effective magnetic field effective magnetic field on the component is equal to the applied magnetic field minus the cancel magnetic field 2.46 electricity magnet magnet that requires a power source to maintain its magnetic field 2.47 ferromagnetic material material with relative magnetic permeability is much greater than 1, which varies with the magnetic field strength 2.48 fill factor ratio of the cross-sectional area of the coil to the cross-sectional area of the component when magnetized by the coil method 2.49 fixed installations fixed flaw detector has a large volume and weight, and the rated circular magnetization current is generally from 1 000 A to 10 000 A 2.50 flash magnetization magnetization of current flow in a short time 2.51 flash point the lowest temperature at which the volatile inflammable substances or the vapor in the air generated by volatilization of inflammable substance is ignited by the flame 2.52 flexible coil cable winding magnetization using a cable wrapped closely around a component 2.53 fluorescent visible light emitted by a substance due to its absorption of ultraviolet light 2.54 fluorescent magnetic particles magnetic particles formed by coating a layer of a fluorescent substance on the outer surface of the ferromagnetic particles 2.55 fluorescent magnetic particles testing method of detecting fluorescent magnetic particles by observation with a black light 2.56 flux density see flux density (2.85) 2.57 flux leakage field after the magnetization of the ferromagnetic material, magnetic field formed by the magnetic induction line leaving and entering the surface at the discontinuity or the change in the cross section of the magnetic circuit 2.58 flux meter electronic device for measuring magnetic flux 2.59 full-wave direct current penetrating and directional DC currents obtained by single-phase or three-phase AC rectification 2.60 tesla unit of flux density or magnetic induction strength can be abbreviated as T. A 1 m long conductor perpendicular to the direction of the magnetic field passes through a current of 1 A. When the force of the magnetic field is 1 N, the magnetic induction strength at the place where the energized wire is located is 1 T 2.61 tesla meter magnetometer that reads the field strength in tesla 2.62 half-wave rectified current half-cycle cut-off current in the opposite direction obtained by single phase A.C. through single-phase rectification; it is used for unidirectional magnetic field to generate pulses 2.63 heads clamp attached to the desktop magnetic particle testing device 2.64 high permeability ferromagnetic materials are strongly magnetized in an external magnetic field, producing a very strong additional magnetic field 2.65 hysteresis when the direction of the external magnetic field changes, the change in the magnetic induction strength lags behind the change in the magnetic field strength 2.66 hysteresis loop curve describing the relationship between flux density and magnetic field strength 2.67 shot impact current current generally obtained by charging and discharging of the capacitor 2.68 induced current flow inductive current method is to insert the iron core into the ring-shaped component, and use the component as the secondary coil of the transformer to generate a circumferential induced current in the component through the change of the magnetic flux in the iron core Foreword II 1 Scope 2 Terms and Definitions English Index ICS 01.040.19;19.100 J 04 中华人民共和国国家标准 GB/T 12604.5—2008 代替GB/T 12604.5—1990 无损检测 术语 磁粉检测 Non-destructive testing— Terminology—Terms used in magnetic particle testing 2008-05-13发布 2008-11-01实施 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 发布 前言 本标准代替GB/T 12604.5—1990《无损检测术语 磁粉检测》。 本标准与GB/T 12604.5—1990相比主要变化如下: ——修改了术语和定义(1990年版的第2、3和4章;本版的第2章)。 本标准由中国机械工业联合会提出。 本标准由全国无损检测标准化技术委员会(SAC/TC 56)归口。 本标准所代替标准的历次版本发布情况为: ——GB/T 12604.5—1990。 无损检测 术语 磁粉检测 1 范围 本标准界定了磁粉检测术语,作为标准和一般使用的共同基础。 2术语和定义 2.1 交流电磁轭A.C. electromagnet yoke 通以交流电的磁轭。 2.2 交流电alternating current 大小和方向随时间按正弦规律变化的电流,用符号AC表示。 2.3 交流磁场alternating current field 导体通以交流电而在导体内部及其周围感生的磁场。 2.4 交流磁化 alternating current magnetization 用交流电感生的磁场而进行的磁化。 2.5 安培ampere 电流的单位,缩写为A或amp。 2.6 安培每米ampere per meter 处于空气中的、直径1 m的单匝线圈,通以1 A电流时,线圈中心的磁场强度。缩写为A·m-1或A/m。 2.7 安匝ampere turns 线圈匝数和所通电流安培值之乘积。 2.8 电弧arc 电流通过气体间隙时,因放电而引起的发光。 2.9 电弧烧伤 arc strikes 因电源电路接通或断开而引起的电弧对部件的局部烧损。 2.10 轴向通电axial current flow 将工件沿轴线夹于探伤机的两磁化夹头之间,使电流从被检工件上直接流过,在工件的表面和内部产生一个闭合的周向磁场。 2.11 黑光black light 波长为320 nm~400 nm(3 200 Å~4 000 Å)的紫外线,即UV-A。 2.12 黑光滤波器black light filter 能够吸收其他波长,但能使近紫外线透射的滤光板。 2.13 退磁场cancel magnetic field 铁磁性材料磁化时,由材料中磁极所产生的磁场为退磁场,它对外加磁场有削弱作用。 2.14 中心导体 central conductor 穿入空心工件孔腔的导电体,通电后,在被检件上形成周向磁场。 2.15 圆周磁场 circular magnetic field 电流通过纵长的导体时,在此工件内部及其周围产生的磁场。 2.16 周向磁化circular magnetization 电流直接通过工件或通过中心导体,在工件中建立一个环绕工件的并与工件长轴垂直的周向闭合磁场。 2.17 环形磁化circumferential magnetization 见周向磁化(2.16)。 2.18 矫顽力 coercive force 使剩余磁感应强度降为零时所需要的反向磁场强度。 2.19 线圈法coil method 将载流线圈环绕于零件的全部或部分,使其全部或局部磁化的方法。 2.20 线圈通电coil shot 对环绕于零件的线圈通以电流,使零件纵向磁化的技术。 2.21 线圈技术coil technique 见线圈法(2.19)。 2.22 彩色磁粉color magnetic particles 以工业纯铁粉等为原料,用黏合剂包覆制成的白磁粉或其他颜色磁粉。 2.23 整流电 rectified current 通过整流的方法使交变电流变成的单向电流。 2.24 反差增强剂contrast aid paints 为提高磁粉显示与工件表面颜色的对比度,探伤前,可在工件表面上先涂上一层白色悬浮液,该悬浮液就叫做反差增强剂。 2.25 接触夹头 contact head 为便于通电,用以夹持被检件的电极。 2.26 接触法 contact method 见通电技术(2.31)。 2.27 接触垫衬contact pad 置于电极上的用以改善电接触和防止电弧烧伤被检件的、通常由铅或铜制造的编织物。 2.28 连续法continuous technique 被检件在磁化的同时施加磁粉的一种程序。 2.29 交叉磁轭crossed yoke 在同一平面(或曲面)上,由具有一定相位差(不等于0°或180°)而且相互交叉成一定角度(不等于0°或180°)的两相正弦交变磁场相互叠加而在该平面(或曲面)上产生旋转磁场的磁粉探伤设备。 2.30 居里点curie point 铁磁性材料在外加磁场作用下,不能被磁化并且剩磁消失时的温度(大多数金属为650℃~870℃)。 2.31 通电技术current flow techniques 采用触头或接触夹头使电流通过零部件磁化的方法。电流可以是交流、直流或整流。 2.32 电流感应技术current induction technique 借用交变磁场的作用,使环形被检件内感生环行电流而实现磁化的方法。 2.33 黑暗适应dark adaptation 视觉调整到照明减弱的环境中也可见的过渡时间。 2.34 直流电磁轭D.C. electromagnet yoke 通以直流电的磁轭。 2.35 退磁demagnetization 使磁化后的铁磁性材料或工件上的剩磁减弱到可接受的水平。 2.36 退磁线圈demagnetization coil 用来退磁的专用线圈。 2.37 抗磁性材料diamagnetic material 相对磁导率略小于1的材料。 2.38 直流电direct current 大小和方向都不变电流,用符号DC表示。 2.39 直流磁场direct current field 由直流通过导体而产生的剩余磁场或有源磁场。 2.40 磁畴 magnetic domain 存在于铁磁材料内部的自发磁化的小区域。 2.41 干法dry method 使用干磁粉进行磁粉检测的方法。 2.42 干磁粉dry magnetic powder 干的、微粒状的、具有适当尺寸和形状的供检测不连续用的磁粉。 2.43 电极 electrode 一种导体,将电流引入工件或从工件引出的工具。 2.44 电磁铁electromagnet 绕有线圈的软铁芯,当电流通过线圈时,它便成为一个暂时性的磁铁。 2.45 有效磁场 effective magnetic field 工件上的有效磁场等于外加磁场减去退磁场。 2.46 电磁体electricity magnet 需要电源来维持其磁场的磁体。 2.47 铁磁性材料ferromagnetic material 相对磁导率远远大于1,其随磁场强度变化的材料。 2.48 填充系数fill factor 采用线圈法磁化时,线圈的横截面积与工件横截面积之比。 2.49 固定设备 fixed installations 固定式探伤机的体积和重量大,额定周向磁化电流一般从1 000 A~10 000 A。 2.50 瞬时磁化flash magnetization 短时间通电磁化。 2.51 闪点flash point 挥发性易燃物质或易燃物质挥发在空气中产生的蒸气被火焰点燃时的最低温度。 2.52 柔性线圈 flexible coil 电缆缠绕 在工件上缠绕的通电电缆。 2.53 荧光 fluorescent 物质由于吸收紫外线后所发出的可见光。 2.54 荧光磁粉fluorescent magnetic particles 在铁磁粒子外表面包裹一层荧光物质形成的磁粉。 2.55 荧光磁粉检测fluorescent magnetic particles testing 采用荧光磁粉在借助黑光灯观察的检测的一种方法。 2.56 磁通量密度flux density 见磁通密度(2.85)。 2.57 漏磁场 flux leakage field 铁磁性材料磁化后,在不连续性或磁路的截面变化处,磁感应线离开和进入表面时形成的磁场。 2.58 磁通量计 flux meter 测量磁通量用的电子装置。 2.59 全波直流 full-wave direct current 由单相或三相交流整流获得的有穿透性的和定向流通的直流电流。 2.60 特斯拉tesla 磁通密度或磁感应强度的单位,可缩写为特(T)。垂直于磁场方向的1 m长的导线,通过1 A的电流,受到磁场的作用力为1 N时,通电导线所在处的磁感应强度是1 T。 2.61 特斯拉计tesla meter 用特斯拉读取场强的磁强计。 2.62 半波整流电流half-wave rectified current 单相交流经单相整流获得的反方向半周截止的电流,用以产生脉冲的单向磁场。 2.63 夹头heads 接在台式磁粉检测装置上的夹钳。 2.64 高导磁性high permeability 铁磁材料在外磁场中强烈地被磁化,产生非常强的附加磁场。 2.65 磁滞hysteresis 当外磁场方向发生变化时,磁感应强度的变化滞后于磁场强度的变化。 2.66 磁滞回线hysteresis loop 描述磁通密度与磁场强度之间函数关系的曲线。 2.67 冲击电流shot impact current 一般是由电容器充放电而获得的电流。 2.68 感应通电 induced current flow 感应电流法是将铁芯插入环形工件内,把工件当作变压器的次级线圈,通过铁芯中的磁通的变化,在工件内产生周向感应电流。 2.69 感应电流技术induced current technique 见电流感应技术(2.32)。 2.70 感应磁化induced magnetization 不直接通电使被检件内产生磁场。 2.71 感应现象 inductance 铁磁体在某些外界磁力作用下产生磁性的现象。 2.72 提升力lifting power 磁铁只借助其磁性的吸力,可提升起某一重量的铁素体钢块的能力。 2.73 线状显示linear indications 长度与宽度之比大于3的磁粉显示。 2.74 磁力线lines of force 把一块玻璃平放在条形磁铁上,再均匀撒上一层细铁屑,然后连续轻敲玻璃,使铁屑有规律地排列起来显示出磁力线的形状。 2.75 纵向磁场longitudinal magnetic field 磁感应线按部件取向穿越,其方向基本上平行于被检件纵轴的磁场。 2.76 纵向磁化longitudinal magnetization 以方向基本上与被检件纵轴平行的磁通,穿越被检件的磁化。 2.77 磁体magnet 能够吸引其他铁磁性材料的物体。 2.78 磁场方向 magnetic aspect 磁力的方向为磁场方向,或磁针N极所指的方向。 2.79 磁极化强度magnetic bally intension 单位面积上的磁极强度。 2.80 磁路magnetic circuit 磁感应线的回路。 2.81 磁场 magnetic field 磁力作用的空间,包括被磁化部件的内部及其周围。 2.82 磁场指示器magnetic flux indicators 用电炉铜焊将8块低碳钢与铜片焊在一起,用来粗略校验磁化方法、磁场方向和有效检测区的一种工具。 2.83 磁场强度 magnetic field strength 单位正磁极所受的力,或在某一点测得的磁场强度,用安培每米表示。 2.84 磁通 magnetic flux 磁路中存在的磁力线总数。 2.85 磁通密度flux dendity 单位面积法向磁感应线数,以特斯拉或高斯表示。 2.86 磁悬液magnetic ink 磁粉和载液按一定比例混和而成的悬浮液体。 2.87 磁性材料magnetic material 能够被磁场吸引的物质。 2.88 磁介质magnetic media 能够影响磁场的物质。 2.89 磁粉检测magnetic particle testing 磁粉探伤 利用漏磁场与磁粉来检测铁磁性材料表面和近表面不连续的一种无损检测方法。 2.90 磁粉检测设备magnetic particle testing equipment 磁粉探伤机 提供所需电流和磁通以实施磁粉检测的设备。 2.91 磁粉magnetic particles 能各自被磁化并被漏磁场吸附的铁磁粉末。 2.92 磁极 magnetic poles 位于磁铁产生磁场的一端或两端以及被检件漏磁场所在位置。 2.93 磁粉显示 magnetic particle indication 由缺陷引起的漏磁场集聚磁粉而形成的磁粉积聚。 2.94 磁饱和 magnetic saturation 特定材料的磁化程度,达到饱和后,即使再增加磁场强度,磁感应强度不再增加。 2.95 磁写 magnetic writing 已磁化的工件互相接触或用一钢块在一个已磁化的工件上划一下,而形成的不相关磁粉显示。 2.96 磁性magnetism 能够吸引铁磁性物质的性质。 2.97 磁化 magnetization 使原来没有磁性的物质得到磁性的过程,或将材料的单个磁畴按一个方向整齐排列的过程。 2.98 磁化曲线 magnetization curve 铁磁材料的磁感应强度与磁场强度之间变化的曲线。 2.99 磁化电流 magnetizing electric current 通过或接近被检件的能产生指定磁场的电流。 2.100 磁力 magnetizing force 磁场对铁磁性材料的作用力。 2.101 磁强计magnetometer 测量磁场强度的仪表。 2.102 多方向磁化multidirectional magnetization 用两个或多个不同方向的磁场依次快速地使被检件磁化。 2.103 近表面不连续near surface discontinuity 不开口的位于被检件近表面的不连续。 2.104 偏心导体法non-central conductor 如果空心工件直径太大,探伤机所提供的磁化电流不足以使工件表面达到所要求的磁场强度,可采用偏置芯棒法磁化,即将导体穿入工件,并贴近工件内表面放置,电流从导体上通过形成周向磁场。 2.105 非荧光磁粉non-fluorescent magnetic particles 在可见光下观察磁粉显示的磁粉。 2.106 奥斯特 oersted 磁场强度的CGS制单位,现已由SI制单位安培每米(A/m)代替。 2.107 初始磁化曲线original magnetization curve 表征铁磁性材料磁特性的曲线。 2.108 整体磁化 0verall magnetization 只通电一次即完成被检件磁化的全部磁化。 2.109 平行磁化parallel magnetization 将可磁化材料与载流导体平行放置,使前者感生磁场的磁化方法。 2.110 顺磁性材料paramagnetic material 相对磁导率略大于1的材料。 2.111 磁粉尺寸particle size 磁粉颗粒的大小。 2.112 永久磁体permanent magnet 一种在外加磁场的有效作用去除后很长时间仍然保持磁性的材料。 2.113 磁导率permeability 材料磁化难易程度的参数;或磁通密度与磁场强度之比(B/H)。 2.114 便携式设备portable equipment 具有体积小、重量轻和携带方便的磁粉检测设备。 2.115 喷粉器powder blower 利用压缩空气将磁粉施加到被检件表面的器具。 2.116 触头prods 将磁化电源发出的磁化电流传送到被检件的手持式电极。 2.117 脉冲磁化pulse magnetization 通常利用电容放电法直接或间接地对被检件施加磁场。 2.118 快速断电quick break 用于高剩磁纵向部件磁粉检测,能突然切断磁化电流的器件。仅限制在三相交流全波整流时采用。 2.119 剩磁 residual magnetic field 外加磁场强度降为零时,铁磁材料中残余的磁场。 2.120 剩磁法 residual technique 磁场强度切断之后再给被检件施加磁粉的方法。 2.121 刚性线圈rigid coil 形状固定线圈 将工件放在通电线圈中,形成纵向磁场。 2.122 圆状显示 rounded indications 长度与宽度之比不大于3的磁粉显示。 2.123 顽磁性retentivity 材料保留剩磁大小的性能。 2.124 灵敏度sensitivity 磁粉检测能显示铁磁材料表面和近表面不连续的能力。 2.125 沉淀试验settling testing 用来测定磁悬液中磁粉浓度的一种方法。 2.126 聚肤效应 skin effect 采用交流磁化时,磁场集中于铁磁材料表层的现象。 2.127 专用检测系统specialized testing systems 用于检测固定形状工件的磁粉检测设备。 2.128 切线磁场强度tangential magnetic field strength 平行于被检工件表面的磁场强度分量。 2.129 环形试块test ring 一般由工具钢制成的带有近表面人工不连续的环形试件,用以评价和对比磁粉的性能和灵敏度。 2.130 检测介质testing medium 磁粉检测中所用的由氧化铁材料制成的粉末或磁悬液。 2.131 移动式设备transportable equipment 移动式设备一般装有滚轮可推动,或吊装在车上拉到检验现场,对大型工件检测。 2.132 紫外线 ultraviolet radiation 波长为200 nm~400 nm(2 000 Å~4 000 Å)的电磁辐射。 2.133 载液 vehicle;carrier fluid 用来悬浮磁粉的液体介质。 2.134 可见光visible light 波长为400 nm~700 nm(4 000 Å~7 000 Å)的电磁波。 2.135 湿法wet method;wet slurry technique 采用悬浮于载液中的磁粉进行检测的方法。 2.136 磁轭yoke 能在两极之间被检件区域感生磁场的“U”形磁铁。可以是永久磁铁、交流或直流电磁铁。 Chinese Index A 安培 2.5 安培每米 2.6 安匝 2.7 奥斯特 2.106 B 半波整流电流 2.62 便携式设备 2.114 C 彩色磁粉 2.22 沉淀试验 2.125 冲击电流 2.67 初始磁化曲线 2.107 触头 2.116 磁饱和 2.94 磁场 2.81 磁场方向 2.78 磁场强度 2.83 磁场指示器 2.82 磁畴 2.40 磁导率 2.113 磁轭 2.136 磁粉 2.91 磁粉尺寸 2.1 11 磁粉检测 2.89 磁粉检测设备 2.90 磁粉探伤 2.89 磁粉探伤机 2.90 磁粉显示 2.93 磁化 2.97 磁化电流 2.99 磁化曲线 2.98 磁极 2.92 磁极化强度 2.79 磁介质 2.88 磁力 2.100 磁力线 2.74 磁路 2.80 磁强计 2.101 磁体 2.77 磁通 2.84 磁通量计 2.58 磁通量密度 2.56 磁通密度 2.85 磁写 2.95 磁性 2.96 磁性材料 2.87 磁悬液 2.86 磁滞 2.65 磁滞回线 2.66 D 电磁体 2.46 电磁铁 2.44 电弧 2.8 电弧烧伤 2.9 电极 2.43 电缆缠绕 2.52 电流感应技术 2.32 多方向磁化 2.102 F 反差增强剂 2.24 非荧光磁粉 2.105 G 干磁粉 2.42 干法 2.41 感应磁化 2.70 感应电流技术 2.69 感应通电 2.68 感应现象 2.71 刚性线圈 2.121 高导磁性 2.64 固定设备 2.49 H 黑暗适应 2.33 黑光 2.11 黑光滤波器 2.12 环形磁化 2.17 环形试块 2.129 J 夹头 2.63 检测介质 2.130 交叉磁轭 2.29 交流磁场 2.3 交流磁化 2.4 交流电 2.2 交流电磁轭 2.1 矫顽力 2.18 接触垫衬 2.27 接触法 2.26 接触夹头 2.25 近表面不连续 2.103 居里点 2.30 聚肤效应 2.126 K 抗磁性材料 2.37 可见光 2.134 快速断电 2.118 L 连续法 2.28 灵敏度 2.124 漏磁场 2.57 M 脉冲磁化 2.117 P 喷粉器 2.115 偏心导体法 2.104 平行磁化 2.109 Q 切线磁场强度 2.128 全波直流 2.59 R 柔性线圈 2.52 S 闪点 2.51 剩磁 2.119 剩磁法 2.120 湿法 2.135 顺磁性材料 2.1 10 瞬时磁化 2.50 T 特斯拉 2.60 特斯拉计 2.61 提升力 2.72 填充系数 2.48 铁磁性材料 2.47 通电技术 2.31 退磁 2.35 退磁场 2.13 退磁线圈 2.36 W 顽磁性 2.123 X 线圈法 2.19 线圈技术 2.21 线圈通电 2.20 线状显示 2.73 形状固定线圈 2.121 Y 移动式设备 2.131 荧光 2.53 荧光磁粉 2.54 荧光磁粉检测 2.55 永久磁体 2.112 有效磁场 2.45 圆周磁场 2.15 圆状显示 2.122 Z 载液 2.133 整流电 2.23 整体磁化 2.108 直流磁场 2.39 直流电 2.38 直流电磁轭 2.34 中心导体 2.14 周向磁化 2.16 轴向通电 2.10 专用检测系统 2.127 紫外线 2.132 纵向磁场 2.75 纵向磁化 2.76 English Index A A.C. electromagnet yoke 2.1 alternating current 2.2 alternating current field 2.3 alternating current magnetization 2.4 ampere 2.5 ampere per meter 2.6 ampere turns 2.7 arc 2.8 arc strikes 2.9 axial current flow 2.10 B black light 2.11 black light filter 2.12 C cancel magnetic field 2.13 carrier fluid 2.134 central conductor 2.14 circular magnetic field 2.15 circular magnetization 2.16 circumferential magnetization 2.17 coercive force 2.18 coil method 2.19 coil shot 2.20 coil technique 2.21 color magnetic particles 2.22 contact head 2.25 contact method 2.26 contact pad 2.27 continuous technique 2.28 contrast aid paints 2.24 crossed yoke 2.29 curie point 2.30 current flow techniques 2.31 current induction technique 2.32 D D.C.electromagnet yoke 2.34 dark adaptation 2.33 demagnetization 2.35 demagnetization coil 2.36 diamagnetic material 2.37 direct current 2.38 direct current field 2.39 dry magnetic powder 2.42 dry method 2.41 E effective magnetic field 2.45 electricity magnet 2.46 electrode 2.43 electromagnet 2.44 F ferromagnetic material 2.47 fill factor 2.48 fixed installations 2.49 flash magnetization 2.50 flash point 2.51 flexible coil 2.52 fluorescent 2.53 fluorescent magnetic particles 2.54 fluorescent magnetic particles testing 2.55 flux dendity 2.85 flux density 2.56 flux leakage field 2.57 flux meter 2.58 full-wave direct current 2.59 H half-wave rectified current 2.62 heads 2.63 high permeability 2.64 hysteresis 2.65 hysteresis loop 2.66 induced current flow 2.68 induced current technique 2.69 induced magnetization 2.70 inductance 2.71 L lifting power 2.72 linear indications 2.73 lines of force 2.74 longitudinal magnetic field 2.75 longitudinal magnetization 2.76 M magnet 2.77 magnetic aspect 2.78 magnetic bally intension 2.79 magnetic circuit 2.80 magnetic domain 2.40 magnetic field 2.81 magnetic field strength 2.83 magnetic flux 2.84 magnetic flux indicators 2.82 magnetic ink 2.86 magnetic material 2.87 magnetic media 2.88 magnetic particle indication 2.93 magnetic particle testing 2.89 magnetic particle testing equipment 2.90 magnetic particles 2.91 magnetic poles 2.92 magnetic saturation 2.94 magnetic writing 2.95 magnetism 2.96 magnetization 2.97 magnetization curve 2.98 magnetizing electric current 2.99 magnetizing force 2.100 magnetometer 2.101 multidirectional magnetization 2.102 N near surface discontinuity 2.103 non-central conductor 2.104 non-fluorescent magnetic particles 2.105 O oersted 2.106 original magnetization curve 2.107 overall magnetization 2.108 P parallel magnetization 2.109 paramagnetic material 2.110 particle size 2.111 permanent magnet 2.112 permeability 2.113 portable equipment 2.114 powder blower 2.115 prods 2.116 pulse magnetization 2.117 Q quick break 2.118 R rectified current 2.23 residual magnetic field 2.119 residual technique 2.120 retentivity 2.123 rigid coil 2.121 rounded indications 2.122 S sensitivity 2.124 settling testing 2.125 shot impact current 2.67 skin effect 2.126 specialized testing systems 2.127 swinging field 2.128 T tangential magnetic field strength 2.129 tesla 2.60 tesla meter 2.61 test ring 2.130 testing medium 2.131 transportable equipment 2.132 U ultraviolet radiation 2.133 V vehicle 2.134 visible light 2.135 W wet method 2.136 wet slurry technique 2.136 Y yoke 2.137 |
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