A plain carbon steel contains 45 wt% of proeutectoid ferrite. What is its average carbon content in weight percent? I know that you need to use a tie line in the phasediagram, but my book does not really give a good example to go by?

1202

What are ceramics?

1059

Why is chromium molybdenum steels used to build pressure vessels?

1246

Define what is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbine blades etc. When both are used in the lost-wax method?

992

What happens to the microstructure during service exposure?

2366

When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and define what are the basic thing, which makes such a difference.

1142

What is Redlich Kwong equation?

1078

Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?

1154

Which type of welding is used for welding of duplex and super duplex steel?

970

What is the composition of d2?

1026

Which plaster is used in gold investment casting?

1023

What does allotropic mean what does iron and steel have to do with it?

1097

Why duplex or super duplex stainless steels are welded with low heat input type electrode?

1041

What is the specific heat value for liquid ?

1095

How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?

1044