HARD PHASE DISPERSED NICKEL GROUP INTERMETALLIC COMPOUND COMPOSITE SINTERED MATERIAL, MANUFACTURING METHOD THEREFOR, AND CORROSION RESISTANT ABRASION RESISTANT COMPONENT USING THE MATERIAL

To provide a corrosion resistant abrasion resistant material suitable for use in a corrosion resistant abrasion resistant component such as a cylindrical sleeve for pump shaft or the like, a corrosion resistant abrasion resistant mold, a corrosion resistant abrasion resistant tool or the like, and a manufacturing method therefor.SOLUTION: A hard phase dispersed nickel group intermetallic compound composite sintered material containing a first phase of 35 vol.% to 80 vol.% and a second phase of 20 vol.% to 65 vol.% is obtained by mixing a hard powder (the first phase) consisting of solid solution body of Ti, Mo and/or carbide, nitride or carbonitride of W, and a material (the second phase) containing 75 at.% to 85 at.% of nickel (Ni), 8 at.% to 13 at.% of silicon (Si) and 3 at.% to 13 at.% of titanium (Ti) and becoming a binding material of the hard powder to manufacture a mixed powder or an alloy powder, and heating and sintering the mixed powder or the alloy powder with adding pressure.SELECTED DRAWING: None 【課題】ポンプ軸用の円筒状スリーブ等の耐食耐摩耗摺動部品、耐食耐摩耗金型および耐食耐摩耗工具等に使用するのに適した耐食性、耐摩耗性材料とその製造方法を提供する。【解決手段】Ｔｉ、Ｍｏの固溶体および/もしくはＷの炭化物、窒化物または炭窒化物からなる硬質粉末（第一相）と、７５ａｔ％〜８５ａｔ％のニッケル（Ｎｉ）、８ａｔ％〜１３ａｔ％のシリコン（Ｓｉ）、３ａｔ％〜１３ａｔ％のチタン（Ｔｉ）を含み前記硬質粉末の結合材料となる材料（第二相）とを混合して混合粉末または合金粉末を作製し、この混合粉末または合金粉末に圧力を付与した状態で加熱し焼結することにより、前記第一相を３５ｖｏｌ％〜８０ｖｏｌ％、前記第二相を２０ｖｏｌ％〜６５ｖｏｌ％含有する硬質相分散ニッケル基金属間化合物複合焼結材料を得る。【選択図】なし