We make aluminum moulds by press casting, can you suggest any thing so that the moulds should shine after casting?
513How is solution annealing carried out? What type of furnace is required? Does one need to be heat in a salt bath?
493What is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbineblades etc. When both are used in the lost-wax method?
526When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?
508What affect would increasing the charpy impact toughness on an object have on the surface of an object it strikes if all else remains the same? Would it cause moredamage to the object it strikes?
505What are the compositions of brass, how can this metal be heat-treated, what is the melting point of this metal?
517How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?
594A 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?
718For what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
541When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basicthing, which makes such a difference.
505How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?
497
What is the critical speed of shaft?
Why steel is preferred for construction of aircraft?
What is iron ferrite?
What is duplex and super duplex steel?
what is proeutectoid ferrite and cementite?
Why duplex or super duplex stainless steels are welded with low heat input type electrode?
The moment of inertia of an area is always least with respect to ?
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?
What are the advantages of projection welding over spot welding
A plain carbon steel contains 45 wt% of proeutectoid ferrite. Define what is its average carbon content in weight percent? I know that you need to use a tie line in the phase diagram, but my book does not really give a good example to go by
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
What are allotropes? What are the allotropes of iron and carbon?
Define what is meant by hardening ability of metals?
The hardness of steel depends on
What is the hottest part of flame in fire?
