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Engineering Material

Test 3 Short Answer

QuestionAnswer
What are the 3 limitations of Ferrous Alloys High Density Poor Corrosion Resistance Poor Conductivity
What are the 3 reason iron/steel is widely used worldwide? It's Abundant Economic Versatile
How is Annealing Temperature defined? The temperature that a material needs to be held at one hour for in order for it (the material) to completely recrystallize.
Give a summary of the possible transformations of Steels Start with Austenite (γ) -slow cool, Pearlite (⍺+Fe_3C layers+proeutectoid phase) -moderate cool, Bainite (⍺+elong. Fe_3C particles) -rapid quench, Martensite (BCT phase, diffusionless transformation) If reheat, Temp. Mart. (⍺+FINE Fe_3C particles)
List the possible transformations of steel in order from strongest to most ductile. Martensite Tempered Martensite Bainite Fine Pearlite Coarse Pearlite Spherodite
What are the Modulus of Elasticity for Steel and Aluminum (approximately) for USCS units? 30 Mpsi, 10 Mpsi, respectively
Created by: jjardor