MIMプロセスによるSUS630焼結体の組織と機械的性質に及ぼす熱処理条件の影響 Effect of Heat Treatment Conditions on Microstructure and Mechanical Properties of Sintered SUS630 Compacts by MIM Process

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The effect of heat treatment conditions on the microstructure and mechanical properties of SUS630 compacts made by metal injection molding were investigated. The compacts were made by injecting the mixtures of gasatomized SUS630 powder and polyamide binder into a metallic mold. The compacts were debound in air at 593K for 7.2ks, and sintered in vacuum at 1573K for 7.2ks. The specimens were aged at various temperatures between 753K and 893K after solution treatment. The microstructures of the heat treated compacts consisted of martensite and δ-ferrite. Both proof stress and tensile strength tended to become smaller with raising the aging temperature. The maximum values of proof stress and tensile strength of the heat treated compacts were as high as 1190MPa and 1330MPa respectively, and these values were equivalent to those of wrought steels. Charpy impact value increased with increasing the aging temperature. Charpy impact value of the compacts was smaller than that of wrought steel.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(9), 882-886, 1998-09-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002052887
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4566314
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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