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?
947For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
949what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?
944Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.
975Define what are the compositions of brass, how can this metal be heat-treated, define what is the melting point of this metal?
943
Throw some light on hardening abilities of metals?
Define what are the properties and application of manganese steel?
How to calculate heat affected zone in weld?
How to melt the solidified copper accretions in copper scrap melting furnace?
1)We are using OHNS material for manufacturing Thread & plain Gauges.What is the excat composition of OHNS for Gauges? 2)Which is the reference standard book for OHNS Material composition for Gauges?
What is the difference between diagrams of it and ct in heat treatment of steels?
Explain vacuum induction melting?
How do you classify lathes?
what are metallurgical microscopes?
Define what medal conducts heat best?
Is there a possibility of inducing stress cracking in an insulated stainless road tanker vessel (20 tonne capacity) if the vessel is subject to rapid filling (10 tonne /hr) with liquid methane (-160 c) assuming the vessel is at ambient. If so, where could I obtain suggested cooling rates?
Explain the uses of iron ferrite?
Does the extrusion process for a355 and a356 alloy have any impact on the impact energy?
dear sir i need some information about prevent eutectic carbide network(as cast) formation in 12% cr steel casting by another alloying element(my analays: c=1.2-1.4 cr=11-13 mo=0.2-0.4 ni=0.2-0.4 )or break network carbid after formation in solidification by heat tretment please help me my email adress: alloymail@gmail.com
Explain some properties of manganese steel?