用“hardness testing”造句大全，hardness testing造句

By means of chemical composition analysis, hardness testing, non-metallic inclusion examination, metallographic examination, macro and micro-fractography fracture analysis were conducted.

This paper presents a micro-hardness testing method, namely depth-hardness testing with nanometer scale.

Method of Shore hardness testing for mill rolls

The Rockwell hardness tester is a precision measurement instrument in material and part hardness testing, which is often used in detection of materials, product and half-finished product.

Indentation methods of hardness testing comprise two principal groups.

Analysis was performed on the crack zone by macroscopical, microscopical and hardness testing.

hardness testing methods for rubber, vulcanized or thermoplastic

mechanical hardness testing machine for testing industrial materials

It was found that the surface roughness is significant in Brinell hardness testing, but has little influence on Rockwell hardness.

The surface layers are characterized by means of the optical microscope, X ray diffraction, transmission electronic microscope, and micro hardness testing machine.