Test method for density of sandwich construction or cores English
1 Scope
This standard specifies the test principle, test apparatus, specimens, conditioning, test procedure, calculation, test result and test report, etc. for density of sandwich construction or cores.
This standard is applicable to the determination of density of sandwich construction or cores.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the referenced document applies.
GB/T 1446-2005 Fiber-reinforced plastics composites - The generals for determination of properties
GB/T 3961 Terms for fibre reinforced plastics
3 Terms and definitions
For the purpose of this standard, the terms and definitions defined GB/T 3961 and the following ones apply.
3.1
density
mass per unit volume of material
Foreword II
1 Scope
2 Normative references
3 Terms and definitions
4 Test principle
5 Test apparatus and conditions
6 Specimen
7 Conditioning
8 Test procedure
9 Calculation
10 Test result
11 Test report
Annex A (Informative) Comparison of clause/subclause numbers between this standard and ASTM C271-99
