Q3/ A-Define the following: Duplex stainless steel, Super alloy, Martinsite, Muntiz metal, Flam hardening ,Twinning. B- What's meaning by critical resolved shear stress?

Both for Ferritic and Martimenistic sstainless steel belong to the AISI 400 series. Farris stainless steel's are heat treatable grades and Martinisitic stick stainless steel's can only be strain hearted to improve their mechanical properties. True or false

Show microstructure of 8620 steel before homogenized annealing and microstructure after annealing.

Identify the main properties trend (grain size, ductility, strength, hardness) of metal alloys as a percent of cold work on the diagram below.

Austentitic stainless steel's are not hardenable by cold working however Austentic stainless steel's can be strengthened by heat treatment true or false?

What are the reactions at O and B?

What is the fatigue strength of 2014-T6 Aluminum (MPa) at 1E5 life? Type your response

Specify a copper alloy that requires at least 50% elongation and at least 300 MPa tensile strength.

3) (10) A 10-mm-diameter tungsten carbide sphere creates a 4.26-mm- diameter impression under a 3000-kg load. What are the yield and tensile strengths for 65-45-12 cast iron?

Write an paragraph on each of the following including information/data about the general composition, properties, uses, applications and their reasons:      Mild steel 1060 steel 304 stainless steel HSLA steel Gray cast iron