07 77376 time temperature transformation diagram for a hypoeutectoid steel is given below. Describe the heat treatment p
Posted: Mon Jul 11, 2022 1:16 pm
07 77376 time temperature transformation diagram for a hypoeutectoid steel is given below. Describe the heat treatment procedure to obtain the following phase transformation (a) Tempered martensite to ferrite+pearlite (b) Austenite to ferrite+ pearlite +50% bainite. 20221 900 [4] Temperature (°C) 800 700 600 500 300 200 M(start) M(50%) M(90%) A+ F A+P A+B -50% T 1600 JL THE 1400 1200 1000 800 600 Temperature (°F) 400