农用刀具16MnV9Cr18MoV16MnV三层复合板热处理及力学性能研究
Heat treatment and mechanical property of 16MnV/9Cr18MoV/16MnV three metal composite plate for agricultural tool
刘靖 周佳龙 高港 韩静涛
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作者单位：北京科技大学材料科学与工程学院
中文关键字：三层复合板；热处理；组织；弯曲强度
英文关键字：tri-metal composite plate; heat treatment; microstructure; bending strength
中文摘要：采用离心浇铸工艺生产出16MnV/9Cr18MoV/16MnV三层复合管坯，经剖切、热锻、热轧后制备出新型农用收割机刀具用复合钢板。刀具覆层材料16MnV具有较好的韧性，芯层9Cr18MoV可以为刀具提供较好的强度和硬度。通过不同热处理工艺下金相组织分析及弯曲强度研究，确定了适合16MnV/9Cr18MoV/16MnV复合材料的热处理工艺：加热温度1050°C，保温1h，油淬冷却。
英文摘要：New type harvester tool of 16MnV/9Cr18MoV/16MnV was prepared by centrifugal cast, hot forging and hot rolling process. The coating layer material 16MnV had good toughness and the sandwich layer material 9Cr18MoV could provide good strength and hardness for tool. The 16MnV/9Cr18MoV/16MnV three metal composite plate which had been oil quenched after holding 1050°C for 2h had the best bending strength and microstructure.