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首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials; 20060704-08; Vancouver(CA) >Microstructural Aspects by Electron Microscopy Observed in Al-Mg Based Alloys after Special P/M Processes
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Microstructural Aspects by Electron Microscopy Observed in Al-Mg Based Alloys after Special P/M Processes

机译：特殊P / M工艺后在Al-Mg基合金中观察到的电子显微镜显微组织

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摘要

In the last decade light materials have been studied thoroughly and used in components of pieces in the automobile, naval and aerospace industries. Their application makes possible mass reduce, load capacity increase, improvement in the mechanical properties when it is possible. Aluminium-magnesium alloys present good mechanical properties at moderate mechanical efforts (400 to 700 MPa) and good corrosion resistance. The alloys in study (Al-2Mg-0.6Zr and Al-2Mg-lNb) were made by powder metallurgy (P/M) techniques, employing hot compactation and extrusion processes followed by cold work and thermal treatments. The analysis by SEM and TEM shows an evolution in the microstructure of precipitates with the increase of the time of thermal treatment, according to literature. The distribution of the precipitates in both alloys was observed and identified by EDS microanalysis (SEM and TEM).
机译：在过去的十年中，对轻质材料进行了深入的研究，并将其用于汽车，海军和航空航天业的零件组件中。它们的应用使质量降低，负载能力增加以及机械性能的改善成为可能。铝镁合金在中等机械作用力（400至700 MPa）下具有良好的机械性能，并具有良好的耐腐蚀性。研究中的合金（Al-2Mg-0.6Zr和Al-2Mg-1Nb）是通过粉末冶金（P / M）技术制造的，采用热压和挤压工艺，然后进行冷加工和热处理。根据文献报道，通过SEM和TEM分析表明，随着热处理时间的增加，析出物的微观结构发生了演变。通过EDS显微分析（SEM和TEM）观察并鉴定了两种合金中沉淀物的分布。

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