{"title":"金属玻璃的尺寸依赖性力学响应","authors":"Yunfeng Shi","doi":"10.1080/09506608.2018.1476079","DOIUrl":null,"url":null,"abstract":"ABSTRACT Metallic glasses (MGs) are arguably one of the most exciting metallic systems in the past 30 years, attracting significant research effort and undergoing rapid development. Parallel to research on crystalline metals, the sample size has been exploited as property-tuning parameters for MGs. It has been shown that nanometre-sized MG samples exhibit higher-than-bulk elastic limit, tensile strength, and non-zero tensile ductility. While some of the size-related observations have been generally accepted, others have been poorly understood, even hotly debated. Of particular interests is the importance of sample preparation in experiments and model generation in simulations. Here, we will review how the sample size affects mechanical properties including the elastic, plastic, fracture properties, and fatigue endurance, as well as various proposed size-dependent mechanisms and relevant length scales.","PeriodicalId":14427,"journal":{"name":"International Materials Reviews","volume":"64 1","pages":"163 - 180"},"PeriodicalIF":16.8000,"publicationDate":"2019-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/09506608.2018.1476079","citationCount":"32","resultStr":"{\"title\":\"Size-dependent mechanical responses of metallic glasses\",\"authors\":\"Yunfeng Shi\",\"doi\":\"10.1080/09506608.2018.1476079\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"ABSTRACT Metallic glasses (MGs) are arguably one of the most exciting metallic systems in the past 30 years, attracting significant research effort and undergoing rapid development. Parallel to research on crystalline metals, the sample size has been exploited as property-tuning parameters for MGs. It has been shown that nanometre-sized MG samples exhibit higher-than-bulk elastic limit, tensile strength, and non-zero tensile ductility. While some of the size-related observations have been generally accepted, others have been poorly understood, even hotly debated. Of particular interests is the importance of sample preparation in experiments and model generation in simulations. Here, we will review how the sample size affects mechanical properties including the elastic, plastic, fracture properties, and fatigue endurance, as well as various proposed size-dependent mechanisms and relevant length scales.\",\"PeriodicalId\":14427,\"journal\":{\"name\":\"International Materials Reviews\",\"volume\":\"64 1\",\"pages\":\"163 - 180\"},\"PeriodicalIF\":16.8000,\"publicationDate\":\"2019-04-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1080/09506608.2018.1476079\",\"citationCount\":\"32\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Materials Reviews\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1080/09506608.2018.1476079\",\"RegionNum\":1,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Materials Reviews","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1080/09506608.2018.1476079","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Size-dependent mechanical responses of metallic glasses
ABSTRACT Metallic glasses (MGs) are arguably one of the most exciting metallic systems in the past 30 years, attracting significant research effort and undergoing rapid development. Parallel to research on crystalline metals, the sample size has been exploited as property-tuning parameters for MGs. It has been shown that nanometre-sized MG samples exhibit higher-than-bulk elastic limit, tensile strength, and non-zero tensile ductility. While some of the size-related observations have been generally accepted, others have been poorly understood, even hotly debated. Of particular interests is the importance of sample preparation in experiments and model generation in simulations. Here, we will review how the sample size affects mechanical properties including the elastic, plastic, fracture properties, and fatigue endurance, as well as various proposed size-dependent mechanisms and relevant length scales.
期刊介绍:
International Materials Reviews (IMR) is a comprehensive publication that provides in-depth coverage of the current state and advancements in various materials technologies. With contributions from internationally respected experts, IMR offers a thorough analysis of the subject matter. It undergoes rigorous evaluation by committees in the United States and United Kingdom for ensuring the highest quality of content.
Published by Sage on behalf of ASM International and the Institute of Materials, Minerals and Mining (UK), IMR is a valuable resource for professionals in the field. It is available online through Sage's platform, facilitating convenient access to its wealth of information.
Jointly produced by ASM International and the Institute of Materials, Minerals and Mining (UK), IMR focuses on technologies that impact industries dealing with metals, structural ceramics, composite materials, and electronic materials. Its coverage spans from practical applications to theoretical and practical aspects of material extraction, production, fabrication, properties, and behavior.