为研究铁屑热压成型工艺,将表面处理后的Q195切屑经压实、加热、热复压工序,得到具有一定强,度和塑性的金属材料.通过压缩试验和金相观察,考察工艺参数对材料组织及性能的影响.研究表明:冷压烧结不能使金属切屑之间实现冶金结合,必需进行热复压;随着压制力及压制温度的提高,材料的密度和变形抗力增大;在小变形情况下,试件的变形抗力略低于原始Q195金属,当应变大干0.06时,与Q195趋干一致;含铜作为粘结剂的试件,铁屑与铜的结合致密,无裂纹及空穴出现;含铝作为粘结剂的试件,应变大于0.03时,试件破坏,铝的粘结作用失效.
参考文献
| [1] | Onusseit H .The influence of adhesives on recycling[J].Resources, Conservation and Recycling,2006(2):168-181. |
| [2] | Z. Sherafat;M.H. Paydar;R. Ebrahimi .Fabrication of Al7075/Al, two phase material, by recycling Al7075 alloy chips using powder metallurgy route[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):395-399. |
| [3] | Gronostajski J.;Marciniak H. .New methods of aluminium and aluminium-alloy chips recycling[J].Journal of Materials Processing Technology,2000(1/3):34-39. |
| [4] | A. E. Tekkaya;M. Schikorra;D. Becker;D. Biermann;N. Hammer;K. Pantke .Hot profile extrusion of AA-6060 aluminum chips[J].Journal of Materials Processing Technology,2009(7):3343-3350. |
| [5] | Maoliang Hu;Zesheng Ji;Xiaoyu Chen .Effect of chip size on mechanical property and microstructure of AZ91D magnesium alloy prepared by solid state recycling[J].Materials Characterization,2008(4):385-389. |
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