Gamma Prime Strengthening Phase in Superalloy GH220
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Abstract: The chemical composition and content of superalloy GH220, precipitation tendency ofγ’ and crystal structure, -misfit of gamma prime are studied. The effect of alloying elements on the content of gamma prime,on the growth rule and the change of its shape and size are researched.
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Key words:
- surperalloy /
- strengthening phase /
- ageing
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