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eneral, Brinell Hardness test is to measure the Rockwell Hardness test is fr (se

ID: 3199705 • Letter: E

Question

eneral, Brinell Hardness test is to measure the Rockwell Hardness test is fr (sen hel rauenk (soft/ harder) materials (12) The plastic deformation of lead Ph (cold working, or hot working)2 Among the three typical transformations (hearlitig bainiticnd austenite in steels transformation is diffusionless. 13) ffusional and 14) Rapid cooling process helps in foming (crystaline, structures ovoo ????110 ?? 2. Select the best choice point per choice, 10 points in total) I) Due to --, alloys are usually? the pure metals or tesolvet ? Leolid solution strengthening,stronger (t oild oladin sreeing, oer (c) solid solution strengthening, tougher end 2) The finer the grains, the larger the (a) strength, hardness (b) strength, hardness, britleness erngh 3) With plastic deformation, the increase of dislocation density will renuit hness aes lattice 4) Martensite belongs to (a) FCC; (b)BCC, (e) BCT (5) Strain Hardening is also nameda to) hot working: (b) ectl forming le wod

Explanation / Answer

11.

In general, Brinell Hardness test is used to measure the harder material's hardness.

Rockwell hardness test is for soft materials.