What is iron ferite?

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Does the extrusion process for a355 and a356 alloy effect on the amount of impact energy?

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What are ceramics?

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Define what other events in history might have affected the growth of metallurgy?

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What kind of shell systems are used for investment casting?

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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

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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?

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what is the difference between digital signal and discrete signal?

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Why we are doing post heating in alloy steel welding?

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When might secondary melting processes be unnecessary?

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Which is stronger, tungsten or titanium?

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what is the chemical composition of ceramic and define what is its atomic density?

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