GB/T 1453-2005Test method for flatwise compression properties of sandwich constructions or cores (English PDF)

Foreword

This standard modifies and adopts American ASTM C365-00 "Test Method for Flatwise

Compression Properties of Sandwich Constructions or Cores". The comparison table of

Serial Numbers of Chapters and Clauses between this standard and ASTM C365-00 is

listed in Annex A.

The main technical differences between this standard and ASTM C365-00 are as follows.

-- The test sample in this standard is not only the test sample of the core, but the

sandwich construction sample;

-- The flatwise compression clamp specified in this standard is more simple,

convenient and reasonable;

-- The test sample in this standard is provided with uniform size and common

principles;

-- The terms and definitions are listed in this standard;

-- The formula for calculation of compression performance of the cell walls (such as

honeycomb walls) (see Annex B) is listed in this standard.

This standard replaces GB/T 1453-1987 "Test Method for Flatwise Compression

Properties of Non-metal Sandwich Constructions or Cores".

Compared with GB/T 1453-1987, the main changes of this standard are as follows.

-- The preface is added;

-- The scope is added (see Chapter 1);

-- The normative references are added (see Chapter 2);

-- The terms and definitions are added (see Chapter 3);

-- The testing principles are added (see Chapter 4);

-- The sample preparation is added (see Chapter 7);

-- The preparation of the previous testing conditions is divided into two chapters - Test

Equipment and Status Conditioning (Chapter 3 of the 1987 version; and Chapter 5

and 7 of this version).

Annexes A and B of this standard are informative.

This standard was proposed by China Building Material Federation.

This standard shall be under the jurisdiction of National Technical Committee 39 on Fibre

Reinforced Plastic of Standardization Administration of China.

Responsible drafting organization of this Standard. Shanghai FRP Research Institute.

Participating drafting organization of this Standard. Beijing Institute of Aeronautical

Materials.

Main drafters of this standard. Zhou Zhulin, Wang Yaxiong, and Zhang Zilong.

This standard was first-time published in 1978; the first revision was in 1987, and the

second revision was in 2003.

Test method for flatwise compression properties of

sandwich constructions or cores

1 Scope

This standard specifies the testing principles, testing equipment, test samples, status

conditioning, test procedures, calculations, test results, test reports, etc. of flatwise

compression properties of sandwich constructions or cores.

This standard is applicable to the modulus measurement of flatwise compression strength

and flatwise compression elasticity of the sandwich constructions or cores. It is also

applicable to the modulus measurement of flatwise compression strength and flatwise

compression elasticity of the lattice walls (such as honeycomb walls).

2 Normative References

The articles contained in the following documents have become part of this standard when

they are quoted herein. For the dated documents so quoted, all the modifications

(excluding corrections) or revisions made thereafter shall not be applicable to this

standard. For the undated documents so quoted, the latest editions shall be applicable to

this standard.

GB/T 1446-2005 Generals of Test Methods for Properties of Fibre-reinforced Plastics

GB/T 1464 Density Test Methods for Sandwich Constructions or Cores

GB/T 3961 Terms for Fibre Reinforced Plastics

3 Terms and Definitions

For the purpose of this standard, the following terms and definitions AND those defined in

GB/T 3961 shall apply.

3.1

Flatwise compression

The compression that is perpendicular to the direction of the sandwich construction panel.

3.2

Flatwise compressive modulus

7 Status Conditioning

The status conditioning of the test sample shall comply with provisions in 4.4 of GB/T

1446-2005.

8 Test Procedures