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近年来,通过开发更加新型的粉末制造技术及加工技术,已能开发具有用以往技术所得不到的优良特性(诸如强度、韧性及耐热性等)的材料,并已开始探讨应用于飞机制造工业。本文简述铁基和铝基粉末冶金材料的发展动向。一铁基粉末冶金新材料用于汽车、电机及办公仪器等机械零件为中心的粉末冶金法,是一种适于大量生产、经济效益高等特点的零件加工技术,目前用于生产的零件产量已大大地增加。表1是一般烧结机械零件材料的机械特性.目前正通过新型的粉末制造、烧结技术及加工技术,近来开发了如表2所示的Ni-Mo 系,Mn-Cr 系的高强度烧结钢,已达到了实用化阶段。尽管在这些烧
In recent years, it has been possible to develop materials having excellent properties (such as strength, toughness, heat resistance, etc.) which have not been obtained by the prior art through the development of newer powder manufacturing techniques and processing techniques and have begun to explore the application of the powder industry. This article describes the development trend of iron-based and aluminum-based powder metallurgy materials. A new iron-based powder metallurgy materials used in automotive, electrical machinery and office equipment and other mechanical parts as the center of the powder metallurgy law, is a suitable mass production, high economic efficiency of parts processing technology, the current production of parts for the production of Greatly increased. The mechanical properties of materials for general sintered parts are shown in Table 1. Recently, Ni-Mo-based and Mn-Cr-based high-strength sintered steels have been developed as shown in Table 2 by the new powder manufacturing, sintering technology and processing technology, Has reached the practical stage. Despite these burns