共查询到17条相似文献,搜索用时 234 毫秒
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镁合金铸造及镁合金产品的广泛应用产生了大量的镁合金废料,本文讨论了镁合金废料的来源、分类、回收和再生技术,并分析了回收镁合金的质量及应用. 相似文献
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消失模铸造应用于镁台金零件的生产,废旧料随之产生。本文对消失模铸造镁合金废旧料的特点进行了概述,对加入不同比例消失模铸造镁合金废旧料时的镁合金的组织和性能进行了测试研究。结果表明:镁合金中夹杂物数量随废旧料比例的增加而增多,且夹杂伴随着气孔产生;力学性能和抗腐蚀性能都随原料中废旧料比例的增加而降低,全新料与全废旧料比较,性能的降幅在30%左右。为了实现废旧料的回收利用,废旧料的加入数量不宜过多,对金属液实施充分的精练除渣是获得合格铸件的保障;去除夹杂是消失模铸造镁合金废料回用的主要任务。 相似文献
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镁铸造生产废料的利用〔俄〕Ν.Ю.Мухина,В.В.Степанов等镁铸造生产的废料利用是镁铸件生产厂家迫切需要解决的问题。在镁和镁合金熔化和铸造时产生了大量废料(40~100kg/t),其中相当一部分是由含有金属氯化物,金属氟化物和其它金属化... 相似文献
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压铸高危镁合金废料回收技术与设备研发 总被引:1,自引:0,他引:1
镁合金压铸件的广泛应用,特别是在汽车和3C领域的应用的快速增长,不可避免地产生大量的镁合金废料.其中,体积小、比表面积大的易燃废料(压铸高危镁合金废料)的回收问题一直困扰着压铸企业.为此推介了一种真空蒸馏回收压铸高危镁合金废料的技术和设备.分析了镁合金的真空挥发和结晶的技术条件及其对回收效率的影响.同时对设备的工作原理、使用情况和技术经济指标作了介绍. 相似文献
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镁合金报废产品的回收处理是镁合金绿色材料生命链中的重要环节.介绍了镁合金产品的应用前景,分析了报废镁合金产品回收处理技术的现状,重点介绍目前可用于回收处理报废镁合金产品的方法以及检验回收处理效果的技术. 相似文献
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Henry Hu Ph.D. Alan Luo Ph.D. 《JOM Journal of the Minerals, Metals and Materials Society》1996,48(10):47-51
Magnesium has increasingly gained acceptance in structural applications, particularly in the automotive industry. The fast-growing applications of magnesium have led to the generation of a large amount of magnesium scrap, especially die-casting scrap. Due to both economic and environmental concerns, recycling of these scraps is imperatively demanded. In order to yield high-quality recycled magnesium, the characteristics of inclusions in molten magnesium have to be identified, and techniques to evaluate the cleanliness of molten magnesium must be developed. This article reviews recent developments in characterizing inclusions and assessing the cleanliness of molten metals. The potential application of these techniques to molten magnesium is also discussed. 相似文献
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随着汽车和电子工业向轻量化方向的发展,压铸镁合金结构件正以超过每年20%的速度递增,对该领域的 研究也因此成为了焦点。本文综述了国内外在镁合金半固态成形理论及应用方面的进展,提出寻求更为 简单、实用的成形工艺以及加大对该领域基础理论的研究应是未来发展的方向。 相似文献
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Recycling automotive magnesium scrap 总被引:6,自引:0,他引:6
G. Hanko H. Antrekowitsch P. Ebner 《JOM Journal of the Minerals, Metals and Materials Society》2002,54(2):51-54
Magnesium die castings have been experiencing tremendous growth in the automotive market for ten years. The European guideline
for disposing of old automobiles has had a lasting effect on magnesium recovery and recycling. This article will review the
European guideline for automobile disposal and the current technologies used to recycle magnesium scrap from automotive components. 相似文献
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丛福官 《有色金属再生与利用》2007,(5):23-26
镁合金材料压铸件目前被广泛应用于汽车、航空航天、计算机、通讯和消费类电子产品产业、通信等领域。近十年来,世界镁压铸件产量平均年增长率约为20%,镁合金压铸零部件应用于汽车行业的消费量占压铸用镁量的80%。一般镁合金压铸生产只有50%金属投料最终成为零部件,其余为工艺废料,废品率有时高达80%以上。 相似文献
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With the global warming of concern, the secondary aluminum stream is becoming an even more important component of aluminum production and is attractive because of its economic and environmental benefits. In this work, recycling of automotive aluminum is reviewed to highlight environmental benefits of aluminum recycling, use of aluminum alloys in automotive applications, automotive recycling process, and new technologies in aluminum scrap process. Literature survey shows that newly developed techniques such as laser induced breakdown spectroscopy (LIBS) and solid state recycling provide promising alternatives in aluminum scrap process. Compared with conventional remelting and subsequent refinement, solid state recycling utilizing compression and extrusion at room or moderate temperature can result in significant energy savings and higher metal yield. 相似文献