Study on Mechanical Properties and Wear Resistance for Alloys Zn25%AlX%Cu

Gao Shengji  Shen Baoluo  Yang Gang  Tu Mingjing

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Study on Mechanical Properties and Wear Resistance for Alloys Zn25%AlX%Cu
Issue 3, (1998)
Published： 1998 ，
DOI：

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[1]高升吉,沈保罗,杨刚,涂铭旌.Zn-25%Al-X%Cu合金的力学性能和耐磨性研究[J].特种铸造及有色合金,1998(03):18-20.

Gao Shengji Shen Baoluo Yang Gang Tu Mingjing. Study on Mechanical Properties and Wear Resistance for Alloys Zn25%AlX%Cu. [J]. Special Casting & Nonferrous Alloys (3).(1998)
[1]高升吉,沈保罗,杨刚,涂铭旌.Zn-25%Al-X%Cu合金的力学性能和耐磨性研究[J].特种铸造及有色合金,1998(03):18-20. DOI：

Gao Shengji Shen Baoluo Yang Gang Tu Mingjing. Study on Mechanical Properties and Wear Resistance for Alloys Zn25%AlX%Cu. [J]. Special Casting & Nonferrous Alloys (3).(1998) DOI：

摘要

研究了Ｚｎ－２５％Ａｌ－Ｘ％Ｃｕ合金的力学性能和在油润滑条件下的耐磨性。研究发现，随着Ｃｕ含量升高，该合金的抗拉强度逐渐升高，并在Ｃｕ含量达到６．６４％时达到最大值３６９ＭＰａ；伸长率在Ｃｕ含量为２．２４％时达到最大值１４．１％，Ｃｕ含量超过２．２４％后，随Ｃｕ含量升高，延伸率逐渐下降；硬度的变化与伸长率的变化相反，Ｚｎ－２５％Ａｌ－２．２４％Ｃｕ的硬度最低（ＨＢ９８）。在Ｚｎ－２５％Ａｌ－０．６２％Ｃｕ合金的枝晶间未见到ε（ＣｕＺｎ４）相，随着Ｃｕ含量升高，合金中的ε相增多，其耐磨性逐渐升高。

Abstract

The mechanical properties and wear resistance in the oil lubricated condition for alloys Zn25%AlX%Cu were studied. It was found that with increasing of the copper content ultimate tensile strength of alloys gradually increased up to the maximum value 369 MPa with the copper content 6.64% while the elongation of the alloy Zn25%Al2.24%Cu had the maximum value 14.1% with 2.24%Cu. The elongation of alloys decreased in an excess above 2.24% copper. The hardness change of alloys was opposed to the elongation variation and the hardness of the alloy Zn25%Al2.24%Cu had the minimum value （HB98）. No εphase appear in interdendrite zones of the alloy Zn25%Al0.62%Cu

but εphases appeared in interdendrite zones of the alloy Zn25%Al2.24%Cu and increased with increasing of the copper content. With increasing of the copper content the wear resistance of alloys gradually increased.