Thixocasting combination spanners using stainless steel X39CrMo17

作     者：M.BüNCK E.SUBASIC A.BüHRIG-POLACZEK K.JIANG S.MüNSTERMANN J.M.SCHNEIDER K.FICKERT H.J.GüNTHER 

作者机构：Foundry Institute at RWTH Aachen UniversityAachenGermany Materials Chemistry at RWTH Aachen UniversityAachenGermany HAZET-Hermann Zerver GmbH & Co.KGRemscheidGermany PlaTeG GmbHSiegenGermany 

出 版 物：《中国有色金属学会会刊：英文版》 (Transactions of Nonferrous Metals Society of China)

年 卷 期：2010年第20卷第S3期

页      面：998-1004页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：the German Research Foundation (DFG) which supports this work within the framework of the collaborative research centre SFB 289 

主　　题：thixocasting X39CrMo17 steel casting semi-solid MAGMAsoft simulation 

摘      要：Forging is state-of-the-art for producing hand tools on an industrial *** to high demands on the stiffness and the fracture toughness,high-strength forging steels were used to provide cavity-free components with high mechanical load ***,forging is a cost-effective mass production process but,in spite of all its advantages,it has its limitations,*** the freedom of ***,because of the extreme thermal loading(particularly with regard to permanent moulds) and the frequently unavoidable casting defects,hand tools are not *** means of thixocasting steel,technical difficulties can be reduced and new options are provided which allow the manufacturing of components with much higher complexity than that using *** near-net shape production,manufacturing steps and costs can be ***,steels,which are difficult to forge but nonetheless have high potential for specific applications(such as high strength or corrosion resistant steels),can also be *** cooperation with industrial partners,X39CrMo17 stainless steel combination spanners with 17 mm width across flats were *** dies were designed and optimized by simulation,the hot forming X38CrMoV5 tool steel as well as the molybdenum alloy TZM were selected as the tool *** dies were treated by a plasma nitriding process and subsequently coated with crystalline Al2O3 protective coatings by plasma-enhanced chemical vapor deposition(PECVD).During the experiments,combination spanners were successfully cast in the semi-solid *** parts were heat-treated to enhance the toughness of components,which was subsequently measured by a standardized torque ***,a hypothetical approach of a possible,industrial batch process was carried out using the simulation software MAGMAsoft.