A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CEMENTED CARBIDE, COATED CEMENTED CARBIDE, AND CUTTING TOOL AND WEAR-RESISTANT MEMBER USING THE SAME
To provide a cemented carbide having larger deflective strength than conventional cemented carbide and excellent wear resistance.SOLUTION: A cemented carbide contains a hard phase having WC as a main component by 30.0 to 99.3wt% for the whole cemented carbide, contains a grain growth inhibiting and dispersion phase having solid solution or composite containing Ti (C,N) which is created by carbonitriding an oxide of Ti during sinter and either TaC or NbC as a main component, by 0.2 to 40.0wt% for the whole cemented carbide, and contains a binding phase having at least one kind selected from the group consisting of Co,Ni and Fe as a main component by 0.5 to 30.0wt% for the whole cemented carbide, where the total amount of the hard phase, grain growth inhibiting and dispersion phase, and binding phase is 100wt%.SELECTED DRAWING: Figure 1
【課題】従来の超硬合金に比べて抗折力が大きく，耐摩耗性に優れた超硬合金を提供する。【解決手段】超硬合金は，ＷＣを主成分とする硬質相を，超硬合金全体に対して30.0～99.3wt％含み，Ｔｉの酸化物を焼結中に炭窒化させて生成されるＴｉ（Ｃ，Ｎ）とＴａＣおよびＮｂＣのいずれか一方とを含む固溶体または複合体を主成分とする粒成長抑制および分散相を，超硬合金全体に対して0.2～40.0wt％含み，Ｃｏ，ＮｉおよびＦｅからなる群より選択される少なくとも１種類を主成分とする結合相を，超硬合金全体に対して0.5～30.0wt％含み，上記硬質相と，粒成長抑制および分散相と，結合相との合計が100wt％である。【選択図】図１
CEMENTED CARBIDE, COATED CEMENTED CARBIDE, AND CUTTING TOOL AND WEAR-RESISTANT MEMBER USING THE SAME
To provide a cemented carbide having larger deflective strength than conventional cemented carbide and excellent wear resistance.SOLUTION: A cemented carbide contains a hard phase having WC as a main component by 30.0 to 99.3wt% for the whole cemented carbide, contains a grain growth inhibiting and dispersion phase having solid solution or composite containing Ti (C,N) which is created by carbonitriding an oxide of Ti during sinter and either TaC or NbC as a main component, by 0.2 to 40.0wt% for the whole cemented carbide, and contains a binding phase having at least one kind selected from the group consisting of Co,Ni and Fe as a main component by 0.5 to 30.0wt% for the whole cemented carbide, where the total amount of the hard phase, grain growth inhibiting and dispersion phase, and binding phase is 100wt%.SELECTED DRAWING: Figure 1
【課題】従来の超硬合金に比べて抗折力が大きく，耐摩耗性に優れた超硬合金を提供する。【解決手段】超硬合金は，ＷＣを主成分とする硬質相を，超硬合金全体に対して30.0～99.3wt％含み，Ｔｉの酸化物を焼結中に炭窒化させて生成されるＴｉ（Ｃ，Ｎ）とＴａＣおよびＮｂＣのいずれか一方とを含む固溶体または複合体を主成分とする粒成長抑制および分散相を，超硬合金全体に対して0.2～40.0wt％含み，Ｃｏ，ＮｉおよびＦｅからなる群より選択される少なくとも１種類を主成分とする結合相を，超硬合金全体に対して0.5～30.0wt％含み，上記硬質相と，粒成長抑制および分散相と，結合相との合計が100wt％である。【選択図】図１
CEMENTED CARBIDE, COATED CEMENTED CARBIDE, AND CUTTING TOOL AND WEAR-RESISTANT MEMBER USING THE SAME
超硬合金，被覆超硬合金，ならびにこれらを用いた切削工具および耐摩耗部材
TSUTSUMI TOMOHIRO (author) / TAKADA MASAYUKI (author) / MATSUBARA HIDEAKI (author)
2023-08-14
Patent
Electronic Resource
Japanese