hardness test造句
1, According to microstructure and the results of hardness test, appropriate adjustment of heat treatment could promote fatigue lift of spring steel.
2, The results of hardness test show that the crystalline diamond films Ta spinnerets are above HV 1000.
3, Scratch Hardness Test Using a Diamond Stylus on the Micro - Tribometer mod.
4, Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work.
5, An investigation was made on brinell hardness test with a universal material testing machine.
6, Composition, heat treatment state and micro - hardness test etc.
7, The hardness of metals and hardness test has been summarized.
8, Based on practices of turbine bolts hardness test, the factors influencing HL - hardness test results are discussed.
9, An investigation was made on hardness test with a universal material testing machine.
10, The effect of uncertainty evaluation in Rockwell hardness test is described by analyzing and calculating the uncertainty of metal in Rockwell hardness test.
11, The weldability of EH40 ship steel plate by submerged-arc welding with high heat-input was studied by the tensile test, impact test, hardness test and microstructure.
12, Thirdly, Through Y-slit type cracking test and HAZ maximum hardness test the paper assesses the cold crack sensitivity of JB800 bainite steel.
13, The microstructure, chemical composition and mechanics performance of the TiN films were examined by OM, SEM, XRD, XPS, Scratch Test and Micro Hardness Test.
14, The aging process of mullite short fibre reinforced ZL 109 composites was studied via hardness test.
15, The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel.
16, Fractured translation cam of motor planet reducer was studied by chemical analysis, hardness test and metallographic examination.
17, An entire inspection has been carried out to a multilayer ammonia synthesizing tower made in 1970' s by normal NDT methods of UT, MT, ultrasonic thickness inspection and in situ hardness test.
18, The characteristics of so - called silicon diffusion layer were analyzed through EPMA and hardness test.
19, No abnormity was found in the metallographical analysis and hardness test.