Answer Posted / prashant
Investment Casting is also known as precision
casting.Following process being used for Investment casting.
1.Die Preparation (Aluminium Material)
2.Wax are injected in die thro'injection moulding process
(Temp of wax 60 deg)
3.Slurry preparation , 7-8 coat of slurry are provided
around wax pattern.24 hrs req for drying of sand
4.Then the given mould is subjected to biler for removing
wax from mould.
5.Heating of mould above 1000 deg (for strenghting
apllicatiaon of mould)
6.Material is poured in given mould
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What is the melting point of e70 steel, 304,308,316 stainless steels?
Why is chromium molybdenum steels used to build pressure vessels? Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
Discuss about advatages and limitations of powder metallurgy.
What Is cold working of metals? Give some of its principal methods.
Explain wear resistance of titanium?
Where is iron ferite used?
sir please send me previous question papers on metallurgy at vishal.nitrr07@gmail.com .....thank you
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?
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)
Explain metallurgical microscopes?
Is it possible to determine the heat treatment condition in stainless steel (astm a 479 gr xm-19) by checking the microstructure?
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
Which type of key is used between shaft and pulley?
What is the use od d2?
A cantilever beam carrying uniformly distributed load will be ?
