钨材强韧化研究进展  

Research Progress on Strengthening and Toughening of Tungsten Materials

作　　者：张立[1] 聂仁鑫 王喆 黄伯云[1] 王德志 黄祥 Zhang Li;Nie Renxin;Wang Zhe;Huang Boyun;Wang Dezhi;Huang Xiang(State Key Laboratory of Powder Metallurgy,Central South University,Changsha Hunan 410083,China;Xi’an Refra Tungsten&Molybdenum Co.,Ltd.,Xi’an Shaanxi 710201,China)

机构地区：[1]中南大学粉末冶金国家重点实验室,湖南长沙410083 [2]西安瑞福莱钨钼有限公司,陕西西安710201

出　　处：《硬质合金》2023年第6期413-424,共12页Cemented Carbides

基　　金：中国工程院咨询项目(2023−XY−18)。

摘　　要：光伏产业属于我国战略性新兴产业,晶体硅太阳能电池是光伏行业中一类非常重要的电池。相对高碳钢丝基体,在高强韧性钨丝基体负载金刚石能更好地满足晶体硅太阳能电池关键材料——超薄单晶硅片高效、高质量切割的需求。提高强韧性是提高钨丝拉拔合格品率、实现超细钨丝高质量拉丝成材和钨丝金刚线高效切割超薄单晶硅片的基础,热机械压力加工、合金化、晶粒度和晶粒形貌调控等是实现钨材强韧化的主要路径。本文综述了钨材的各种强韧化路径的实施方案与实施效果,旨在为第二代高强韧性超细光伏钨丝的研发提供有效参考,主要包括钨材强韧性的热机械压力加工提升策略、固溶强化和第2相强化策略以及细晶强化策略。The photovoltaic industry is a strategic emerging sector in China.Crystalline silicon solar cells are a highly prominent class of cells in the photovoltaic industry.Compared to high-carbon steel wire substrate,the use of high-strength and highly ductile tungsten wire substrate for diamond coating can better meet the demand for efficient and high-quality cutting of ultra-thin monocrystalline silicon,a key material for crystalline silicon solar cells.Improving strength and toughness is fundamental to increasing the qualified product rate of tungsten wire drawing,achieving high-quality drawing for ultra-fine tungsten wire,and improving the cutting efficiency of ultra-thin monocrystalline silicon.The main methods used to strengthen and toughen tungsten are thermomechanical pressure processing,alloying,grain size and grain morphology control.In this paper,the implementation plans and effects of various strengthening and toughening strategies for tungsten materials are reviewed to provide an effective reference for the R&D of the second generation of ultra-fine photovoltaic tungsten wires with high strength and toughness.The strategies mainly include thermo-mechanical pressure machining enhancement,solid solution strengthening,second phase strengthening,and fine crystal strengthening.

关 键 词：钨材高性能化 光伏钨丝 钨丝金刚线 单晶硅 高质量发展 

分 类 号：TG146.411[一般工业技术—材料科学与工程]