Plasma spray forming of functionally graded materials mould
Transactions of Nonferrous Metals Society of China
ZHAO Zi-yu ；FANG Jian-cheng ；LI Hong-you
A new technology of functionally graded materials(FGM) mould fabricated by plasma spraying and arc spraying was developed. According to applied characteristic of plastic mould, the reasonable coatings of FGM were designed and their microstructures were analyzed. At the same time, some key problems were solved including spray mould fabricating, FGM forming and demoulding, etc. The results show that the service performance of the FGM mould is much more excellent than the one composed of the traditional materials, and the life span can also be greatly increased. The technology will have a significant influence on materials development in mould industry.
keywords:spraying forming functionally graded materials plastic mould
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