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 turbineblades etc. When both are used in the lost-wax method?

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Does case harden steel properties detoriates over time? Especially for guns, parts like bolt carrier, the brand new parts has been kept for 10 year and properly oiled. I am worried about its surface hardness to take the blow during firing.

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What metal cord transfers electricity, and how can I tell?

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Why is non-destructive testing necessary?

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Explain stress corrosion cracking?

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What is the chemical composition of ceramics?

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carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086% phosphorus-0.122%,chromium-0.04%,nickel-0.10%, molybdenum-trace. WHAT IS THE GRADE OF THIS CAST IORN.

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Which liquid can dissolve gold?

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What is the metallurgy use? What is the casting and forging?

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How we describe strain aging based on dislocation theory?

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What is duplex and super duplex steel?

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What is combine power generation?

0 Answers   Essar,

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