基于文献计量学的氢脆研究的演进、热点和趋势分析  

Research Progress,Hotspots and Trends of Hydrogen Embrittlement Based on Bibliometrics

作　　者：李凤侠[1] 张俊 赵呈刚[1] LI Fengxia;ZHANG Jun;ZHAO Chenggang(Tsinghua University Library,Beijing 100084;School of Materials Science and Engineering,Tsinghua University,Beijing 100084)

机构地区：[1]清华大学图书馆,北京100084 [2]清华大学材料学院,北京100084

出　　处：《材料导报》2019年第S02期488-496,共9页Materials Reports

摘　　要：氢脆是氢引起材料脆化的现象,导致材料塑性及韧性下降,使材料易于开裂或脆断。金属材料面临的氢脆问题,随着钢(高强钢)在工业上的广泛应用以及对材料的更高要求而愈发尖锐。本文试图从文献的角度,基于文献计量学的统计分析方法和可视化文本挖掘工具CiteSpace,梳理氢脆研究的发展演进过程、当前的研究热点和未来研究趋势。氢脆研究可分为萌芽期、缓慢增长期、直线增长期和指数增长期,研究主力在不断变化,如英国、德国、美国、日本,21世纪,中国的研究增速最快。研究热点主要集中在钢铁材料氢致脆性断裂相关的科学问题,包括氢脆与材料微观组织的关系、氢在材料中的扩散行为、材料在氢环境下的失效行为以及应力和氢环境作用下裂纹萌生与扩展行为等。微观组织调控降低材料的氢脆敏感性、氢制备和存储技术、用于氢制备与存储相关材料的制氢和储氢性能及面临的氢致脆性断裂问题仍将成为未来研究人员关注的焦点。Hydrogen embrittlement is a phenomenon in which material becomes brittle in the presence of hydrogen and tend to fracture due to the reduction of plasticity and toughness.The problem of hydrogen embrittlement in steels,especially in high strength steels,becomes more and more apparent owing to their wide application in the industry and with the increasing requirement for mechanical properties.This study attempts to analyze the evolution process of hydrogen embrittlement research,the current research hotspots and future research trends from the perspective of literature analysis,based on the statistical analysis methods in bibliometrics and the visual text mining tool,CiteSpace.The research history of hydrogen embrittlement can be divided into embryonic stage,slow growth period,linear growth period and exponential growth period.The main research force changes constantly among the United Kingdom,Germany,the United States,and Japan.Moreover,China became the country with the fastest growth rate in the research of hydrogen embrittlement in 21st century.The researches mainly focus on the scientific issues related to hydrogen induced fracture,including the relationship between hydrogen embrittlement and the microstructure,hydrogen diffusion behavior,the failure behavior of material and the initiation and propagation behavior of cracks in the presence of both hydrogen and stress.The strategies to reduce hydrogen embrittlement susceptibility from the perspective of microstructure optimization,hydrogen production and storage technology,the properties of hydrogen production and storage materials and their hydrogen embrittlement susceptibility,will remain the focus of future research.

关 键 词：氢脆 热点 趋势 文献计量学 CITESPACE 

分 类 号：G353.1[文化科学—情报学] TG142.1[一般工业技术—材料科学与工程]