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China/Asia On Demand
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gao ying du deng ji de chao ying he jin
Author(s): 
Pages: 19
Year: Issue:  5
Journal: Technology and Economy Information of Shipbuilding

Keyword:  超硬合金硬度等级碳化钨硬质合金粉末冶金法洛氏硬度弯曲强度工业公司主要成份电器常温;
Abstract: <正> 最近日本庄友电器工业公司开发了一种高硬度等级超硬合金——井衍碳化钨硬质合金AFI。该合金以硬性的钨和柔性的钴为主要成份,经粉末冶金法制成的超硬合金在常温下洛氏硬度为93度,弯曲强度为500公斤
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