SINCE the 1970s coated cemented carbide tools have been developed so as to further improvetheir wear and heat resistance. For the coated tools, cemented carbide with high strength andfracture toughness are selected as...SINCE the 1970s coated cemented carbide tools have been developed so as to further improvetheir wear and heat resistance. For the coated tools, cemented carbide with high strength andfracture toughness are selected as matrix materials, carbide, boride and nitride with highhardness are used as coating materials. Because the coating thickness of the coated tools is gen-展开更多
文摘SINCE the 1970s coated cemented carbide tools have been developed so as to further improvetheir wear and heat resistance. For the coated tools, cemented carbide with high strength andfracture toughness are selected as matrix materials, carbide, boride and nitride with highhardness are used as coating materials. Because the coating thickness of the coated tools is gen-