铸造法制备颗粒增强铝基复合材料

铸造法是目前最主要的一种制备颗粒增强铝基复合材料的方法。叙述了几类制备颗粒增强铝基复合材料的铸造方法，并介绍了此种工艺方法应注意的技术问题及解决方法，提出了用铸造法制备颗粒增强铝基复合材料的原则。     

SiCp/Al复合材料的研究方法现状

SiC颗粒（SiCp）增强铝基复合材料因其制备工艺灵活，热物理性能优异及可设计性等许多独特的优点而具有很好的应用前景。本文综述了SiCp增强铝基复合材料的研究和进展，阐述并比较了几种该复合材料的制备工艺，包括搅拌铸造法、压力铸造法、无压渗透法、喷雾沉积法、离心铸造法和粉末冶金法等。     

基于SPD法颗粒增强铝基复合材料研究综述

简单介绍了利用几种大塑性变形工艺(Severe plastic deformation)制备颗粒增强铝基复合材料的研究概况,叙述了等径角挤压法、高压扭转法、挤扭法制备颖粒增强铝基复合材料的国内外研究现状,并对今后大塑性变形方法制备颗粒增强金属基复合材料的发展进行了展望.     

SiC颗粒增强铝基复合材料的磨损特性

铝基复合材料质轻,性能优异,已成为金属基复合材料中最有代表性的品种。铝基颗粒复合材料作为复合材料的一个分支正在快速发展,目前采用的制备方法有粉末冶金和铸造等。制得的颗粒增强铝基复合材料不仅重量轻、强度高,而且耐磨性能好,特别适于作为抗磨材料制造活塞、轴瓦等零件。本文研究了 SiC 颗粒增强铝基(ZL102)复合材料的真空热压工艺和磨损性能,结果表明,用真空热压     

SiC颗粒增强铝基复合材料的研究进展

简要介绍了SiC颗粒增强铝基复合材料的优点及几种制备方法,包括搅拌法、浸渗法、喷射法、粉末冶金法和固液分离法;并对其后热变形加工参数对复合材料的性能影响进行了论述;最后,展望了粉末冶金法制备铝基复合材料的发展前景。     

SiC和Si混合颗粒增强铝基复合材料的研究现状

SiC颗粒增强含Si铝基复合材料在制备过程中由于Si颗粒的析出,使其成为SiC和Si混合颗粒增强铝基复合材料。SiC和Si混合颗粒增强铝基复合材料具有比强度和比刚度高、耐磨性和耐疲劳性好、尺寸稳定性强、轻质等性能,广泛应用于航空、航天、电子电器等工业领域。主要介绍了SiC和Si混合颗粒增强铝基复合材料的研究现状及几种制备工艺,分析了其显微组织中存在的缺陷及复合材料性能的影响因素;展望了SiC和Si混合颗粒增强铝基复合材料的应用前景。     

SiC颗粒增强铝基复合材料制备工艺的发展现状

综述了SiC颗粒增强铝基复合材料的搅拌法、粉末冶金法、挤压铸造法、喷射沉积法、高能超声半固态复合法和高能球磨法等制备工艺的原理、特点、应用及其最新研究进展,并展望了未来的发展方向。     

非连续增强金属基复合材料及其在汽车工业的应用

介绍了金属基复合材料及其制造方法，重点讨论了搅拌法工艺，概述了颗粒增强铝基复合材料在汽车工业的应用。     

陶瓷颗粒增强铝基复合材料的研究进展

颗粒增强铝基复合材料(PRAMCs)具有高比强度、高比刚度、高弹性模量、高耐磨性、尺寸稳定性好、成本低等优点。介绍了增强颗粒的选择原则、特性及其在基体中的作用,几种典型颗粒增强铝基复合材料的发展状况、强化机理及其常用的制备方法,并列举了典型制备工艺的优点及其应用范围,国内外相关领域内的研究成果和应用状况,最后指出颗粒增强铝基复合材料是当前研究和发展的重要方向之一,具有广阔的应用前景。     

2024/SiC_p铝基复合材料薄板的制备方法研究

常见的铝基复合材料铸锭的主要制备方法有熔铸法和喷射沉积法,本研究通过工艺试验,分别完成了2024/SiC_p铝基复合材料熔铸法和喷射沉积法的铸锭制备,并通过变形加工制备出2024/SiC_p铝基复合材料薄板,并对薄板的力学性能进行了初步的分析研究。结果表明:通过熔铸法和喷射沉积法制备SiC_p颗粒增强铝合金复合材料在工艺上都是可行的,能够制备出外观质量良好的板材。在实验室制备工艺尚不稳定的条件下,初步试制出的2024/SiC_p颗粒增强铝基复合材料拥有不低于2024铝合金材料的基础力学性能,而在弹性模量等方面则具有更明显的优势,而其密度与常规2024合金基本一致,在航空领域中具有较好的应用前景。     

熔炼次数对M17返回料合金成分、组织和性能的影响

实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。     

Shijiazhuang will Build the World's Biggest Replacingcopper-with-aluminum Cable Production Base

正Shijiazhuang City will build the world’s biggest replacing-copper-with-aluminum cable production base,the annual output value can reach 100 billion yuan,in the future it will develop replacing-copper-with-aluminum highend industry cluster.This piece of news was learned by the reporter at the Rare Earth highiron Aluminum Alloy[Nonferrous Business Opportunity:Aluminum alloy door]Cable Conductor New Technology Application Seminar held at the provincial capital.     

Chongqing is Preparing to Set Up Nonferrous Metal Exchange,in a Bid to Become the Transit Place of Kazakhstan Copper

正Since the beginning of Chongqing’s upgrading to a municipality directly under the Central Government,Chongqing City has established direct friendly relationship with Almaty,Kazakhstan,and carried out a series of cooperation in commerce and trade,and culture     

Guangxi Baise Extends Industrial Chain to Combat Loss in Aluminum Business

正"For each tonne of aluminum being produced,the upstream enterprise on the aluminum industrial chain will suffer loss about 2000yuan."Said Liang Xiao,Deputy Director of Pingguo Industrial Park Management Committee under the Guangxi Baise City,one of the four major aluminum industry bases in China,on August 11.Extending aluminum     

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL ANNUAL CONTENTS Volume 21(2014)

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Chinalco Straightened Out Copper Assets,and Delegated Stock Equity of Yunnan Copper

正Immediately after the news that Chinalco transferred 58%stock equity of Yunnan Copper Group to its wholly-owned subsidiary China Copper Corporation Limited free of charge was disclosed on July 9,many individual investors couldn’t help but to think:Does it mean China Copper Corporation Limited will assemble assets for overall listing?At present,among main copper business companies under China Copper Corporation     

The Development and Reform Commission Encourages Private Capital to Enter Geological Prospecting Field

正At the press conference recently held by the National Development and Reform Commission under the theme"Deepen Reform in Investment AuditApproval System",when answering questions from reporters,Huang Min,Director of the Department of Fixed Assets Investment of the National Development and Reform Commission,said that in the future it would continue to intensify efforts in geological prospecting,and actively guide social capital to enter this field.     

Guangxi's first Nickel Industry Development Research Report Was Released

正Recently,Guangxi Metallurgical Research Institute,a subsidiary of Guangxi Nonferrous Metals Group,completed survey on laterite and related manufacturers in the region,by combining the current development status of laterite both at home and abroad,it compiled Guangxi’s first"Research Report on the Development of Guangxi Nickel Industrial Chain"which adopted laterite as the study subject.This report expounded on the current     

China’s Major Non-ferrous Metals Imports & Exports(End of September. 2014)

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China's Major Non-ferrous Metals Imports & Exports

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