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Which of the following is the most commonly used technique for the preparation of metallic glass?

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in Engineering Physics II by (679k points)
Which of the following is the most commonly used technique for the preparation of metallic glass?

(a) Melt spinning system

(b) Twin roller system

(c) Melt extraction system

(d) Sputtering

I had been asked this question in a national level competition.

Asked question is from Metallic Glasses topic in division Advanced Engineering Materials of Engineering Physics II

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The correct choice is (a) Melt spinning system

For explanation: Molten alloy is made to impinge on a fast rotating roller to form metallic glasses in the melt spinning system. Whereas in other systems two or more steps are involved in the process making it tedious.

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