Mmet 207 - Study guides, Class notes & Summaries

MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 100% Correct MMET 207 exam 2 study Guide Questions with Answers 1...

Types of Hardness Testing (3) - Answer-Rockwell, Brinell, Vickers or Knoop Rockwell Hardness Testing (process) - Answer-Apply minor load, apply major load, remove loads, calculate the difference of the indentions Rockwell Hardness Testing (Indentors) - Answer-1/16" Tungsten Carbide Ball for B&T 120 degree Diamond Cone or Brale for C, A, & N (EX: HRC) Rockwell Regular loads - Answer-Minor: 10 kg Major: 60kg, 100kg, 150kg Rockwell Superficial loads - Answer-Minor: 3kg Major: 15kg, ...

Bainite is a mixture of needles of carbide and austenite. - Answer-False The hardness of martensite goes down gradually during tempering at room temperature subsequent to quenching. - Answer-False Higher the tempering temperature, smaller is the tempering time needed. - Answer-True Banite is tougher and harder than pearlite. - Answer-True Tempering increases the hardness of quenched steels. - Answer-False Steel refining means making steel from pig iron, scrap, or ore. - Answer-Tru...

austenite - Answer-face-centered cubic iron cementite - Answer-iron carbide (Fe3C) as a phase in steel ferrite - Answer-body-centered cubic iron pearlite - Answer-a phase in steel composed of alternating layers of Fe3C (cementite) and ferrite eutectic - Answer-a phase with a single melting temperature (liquidus and solidus lines meet-not at the axis) eutectoid - Answer-a solid phase with a single transition temperature to another solid allotropic - Answer-material has the abil...