投射メカニカルプレ-ティングのFe核を有するFe-Zn系投射材料の寿命
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概要
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It is considered important to verify that the findings previously obtained in a fundamental study involving mechanical plating of Z-iron (an Fe-Zn system alloy containing iron nuclei) carried out using a laboratory gas ejector also apply to the operation using a commercial rotor ejector.The principal parameters studied were: (1) the effect of feed amount on deposit density: (2) the effect of repeated ejection on deposit density: and (3) the deterioration of the Z-iron with repeated use. Mechanical plating of steel bolts with ZZ-48H, the thermally-treated powder of ZZ-48, was also done to verify its superiority over ZZ-48.The study demonstrated that the basic knowledge obtained in the fundamental study is essentially applicable to commercial-scale operation.It is found that ZZ-48H is an efficient ejection powder, yielding a higher deposit density and longer life than ZZ-48.
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