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Development of a High Speed Steel Vane with Sinter Hardening Technology in a Vacuum Furnace

机译:真空炉中烧结强化技术的高速钢叶片的研制

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摘要

P/M high-speed-steel has been used for metallic molds or tools due to its superior wear resistance and toughness. However, reduction in production cost for P/M high-speed-steel is required because the production cost for P/M high-speed-steel is much higher than that of general iron based P/M parts due to high cost powder. Hardening in a cooling chamber of a vacuum sintering furnace is investigated because each thermal history of sintering and hardening was very similar. Low cost sinter hardening process was developed by using a newly developed continuous vacuum sintering furnace with 3 independent chambers, i.e. a dewaxing chamber, vacuum sintering chamber and cooling chamber and by investigating appropriate cooling rate in the cooling chamber. Compared with conventional process, 50% elimination in energy consumption and 30% reduction in production cost are achieved by using newly developed continuous vacuum sintering furnace with 3 independent chambers.
机译:P / M高速钢由于其优异的耐磨性和韧性而被用于金属模具或工具。但是,由于粉末的成本高,因此P / M高速钢的生产成本比一般的铁基P / M零件的生产成本高得多,因此需要降低P / M高速钢的生产成本。对真空烧结炉的冷却室内的硬化进行了研究,因为每个烧结和硬化的热历史都非常相似。通过使用新开发的具有三个独立腔室(即脱蜡腔室,真空烧结腔室和冷却腔室)的连续真空烧结炉,并研究冷却腔室中的适当冷却速率,开发了低成本的烧结硬化工艺。与传统工艺相比,通过使用新开发的具有3个独立腔室的连续真空烧结炉,可减少50%的能耗并降低30%的生产成本。

著录项

  • 来源
  • 会议地点 Florence(IT);Florence(IT)
  • 作者单位

    development department Sumitomo Electric sintered alloyltd. No.2901 ,Nariwa Nariwa-cho Takahashi-city Okayama, Japan;

    rndevelopment department Sumitomo Electric sintered alloyltd. No.2901 ,Nariwa Nariwa-cho Takahashi-city Okayama, Japan;

    rndevelopment department Sumitomo Electric sintered alloyltd. No.2901 ,Nariwa Nariwa-cho Takahashi-city Okayama, Japan;

    rndevelopment department Sumitomo Electric sintered alloyltd. No.2901 ,Nariwa Nariwa-cho Takahashi-city Okayama, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 粉末冶金(金属陶瓷工艺);
  • 关键词

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