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We make aluminum moulds by press casting, can you suggest any thing so that the moulds should shine after casting?
968How is solution annealing carried out? What type of furnace is required? Does one need to be heat in a salt bath?
804What 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?
925When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?
894What 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?
874What are the compositions of brass, how can this metal be heat-treated, what is the melting point of this metal?
955How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?
933A 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?
1094For what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
890When 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.
889How 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?
932
Which pump is preferred for small discharge at high pressure?
Define knurling.
what are the causes of scaling in cast iron, after subjecting it to annealing process.
any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material.
What are the uses of electroplating?
Why is chromium molybdenum steels used to build pressure vessels? What is special about the properties of chromium molybdenum steels that make them ideal forpressure vessels?
Define surge tank.
We make aluminum moulds by press casting, can u suggest any thing so that the moulds should shine after casting?
For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)
In grey iron sulpher was above 0.15% what react on metal?
What are allotropes?
Which type of furnace is required in solution annealing?
how would you find out the type of stailess steel that has been used to make your dish?
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
How can you find out define what kind of stainless steel was used in making a stainless object?
