When a spring is cut into two, stiffness becomes ?

0 Answers   NIC,

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Discuss the otto cycle with diagram.

0 Answers   Essar,

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What is recrystallization?

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What are ceramics?

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what is a type of graphite in cast iron?

3 Answers   Balaji, Sail,

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What is iron ferite? Where is it used?

0 Answers  

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does any one has gate solutions of 2007,08,09 metallurgical engg papers?

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Are all metals heavy? Explain.

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The requirement for ASTM A217 Gr. WC9 castings for valves components like Body and Bonnet were Normalising at 920+/- 20 Deg. C and Tempring 780+/- 20 Deg. C The specification calls furnace shall be calibtated within +/-14 deg. C The Heat Chart shows minimum temperature for normalising 900 to 920 Deg. C, but maximum temperature 960-990 Deg. C Tempering 780+/-20 Deg. C is within limits and accepted. Casting having integral test bars, heat trated along with castings passed in chemical znalysis and mechanical properties. Since normalising maximum temperature is not meeting specification, where castings can be salvaged or renormalised and retempered to meet specification. Whether it will have affect on remechanical properties testing

0 Answers   Leader Valves,

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Define what are metallurgical microscopes?

0 Answers  

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We make aluminum moulds by press casting, can u suggest any thing so that the moulds should shine after casting?

0 Answers  

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What is thermodynamic state of metal?

0 Answers  

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