Yanlin Tong, Ke Hua, Haoyang Xie, Yue Cao, Zhuobin Huang, Zhenpeng Liang, Xiaolin Li, Hongxing Wu, Haifeng Wang
{"title":"一种高强度钛合金的表面下变形机理以及脆化过程中强度-电导率与脆化耐磨性之间的相互作用关系","authors":"Yanlin Tong, Ke Hua, Haoyang Xie, Yue Cao, Zhuobin Huang, Zhenpeng Liang, Xiaolin Li, Hongxing Wu, Haifeng Wang","doi":"10.1007/s40544-024-0870-y","DOIUrl":null,"url":null,"abstract":"<p>Fretting wear damage of high-strength titanium fasteners has caused a large number of disastrous accidents. Traditionally, it is believed that both high strength and excellent ductility can reduce fretting wear damage. However, whether strength and ductility are contradictory or not and their appropriate matching strategy under the external applied normal stress (<i>F</i><sub>w</sub>) are still confusing problems. Here, by analyzing the subsurface-microstructure deformation mechanism of several samples containing various <i>α</i> precipitate features, for the first time, we design strategies to improve fretting damage resistance under different matching relation between <i>F</i><sub>w</sub> and the tensile strength of materials (<i>R</i><sub>m</sub>). It is found that when <i>F</i><sub>w</sub> is greater than <i>R</i><sub>m</sub> or <i>F</i><sub>w</sub> is nearly equivalent to <i>R</i><sub>m</sub>, the deformation mechanism mainly manifests as serious grain fragmentation of <i>β</i> and <i>α</i><sub>GB</sub> constituents. Homogeneous deformation in large areas only reduces damage to a limited extent. It is crucial to improve the strength to resist cracking and wear, but it is of little significance to improve the ductility. However, when <i>F</i><sub>w</sub> is far less than <i>R</i><sub>m</sub>, coordinated deformation ability reflected by ductility plays a more important role. The deformation mechanism mainly manifests as localized deformation of <i>β</i> and <i>α</i><sub>GB</sub> constituents (kinking induced by twinning and spheroidizing). A unique composite structure of nano-grained/lamellar layer and localized deformation transition layer reduces fretting damage by five times compared with a single nano-grained layer. Only when the strength is great enough, improving the plasticity can reduce wear. This study can provide a principle for designing fretting damage resistant alloys.\n</p>","PeriodicalId":12442,"journal":{"name":"Friction","volume":null,"pages":null},"PeriodicalIF":6.3000,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Subsurface deformation mechanism and the interplay relationship between strength–ductility and fretting wear resistance during fretting of a high-strength titanium alloy\",\"authors\":\"Yanlin Tong, Ke Hua, Haoyang Xie, Yue Cao, Zhuobin Huang, Zhenpeng Liang, Xiaolin Li, Hongxing Wu, Haifeng Wang\",\"doi\":\"10.1007/s40544-024-0870-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Fretting wear damage of high-strength titanium fasteners has caused a large number of disastrous accidents. Traditionally, it is believed that both high strength and excellent ductility can reduce fretting wear damage. However, whether strength and ductility are contradictory or not and their appropriate matching strategy under the external applied normal stress (<i>F</i><sub>w</sub>) are still confusing problems. Here, by analyzing the subsurface-microstructure deformation mechanism of several samples containing various <i>α</i> precipitate features, for the first time, we design strategies to improve fretting damage resistance under different matching relation between <i>F</i><sub>w</sub> and the tensile strength of materials (<i>R</i><sub>m</sub>). It is found that when <i>F</i><sub>w</sub> is greater than <i>R</i><sub>m</sub> or <i>F</i><sub>w</sub> is nearly equivalent to <i>R</i><sub>m</sub>, the deformation mechanism mainly manifests as serious grain fragmentation of <i>β</i> and <i>α</i><sub>GB</sub> constituents. Homogeneous deformation in large areas only reduces damage to a limited extent. It is crucial to improve the strength to resist cracking and wear, but it is of little significance to improve the ductility. However, when <i>F</i><sub>w</sub> is far less than <i>R</i><sub>m</sub>, coordinated deformation ability reflected by ductility plays a more important role. The deformation mechanism mainly manifests as localized deformation of <i>β</i> and <i>α</i><sub>GB</sub> constituents (kinking induced by twinning and spheroidizing). A unique composite structure of nano-grained/lamellar layer and localized deformation transition layer reduces fretting damage by five times compared with a single nano-grained layer. Only when the strength is great enough, improving the plasticity can reduce wear. This study can provide a principle for designing fretting damage resistant alloys.\\n</p>\",\"PeriodicalId\":12442,\"journal\":{\"name\":\"Friction\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":6.3000,\"publicationDate\":\"2024-06-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Friction\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1007/s40544-024-0870-y\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, MECHANICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Friction","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s40544-024-0870-y","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
Subsurface deformation mechanism and the interplay relationship between strength–ductility and fretting wear resistance during fretting of a high-strength titanium alloy
Fretting wear damage of high-strength titanium fasteners has caused a large number of disastrous accidents. Traditionally, it is believed that both high strength and excellent ductility can reduce fretting wear damage. However, whether strength and ductility are contradictory or not and their appropriate matching strategy under the external applied normal stress (Fw) are still confusing problems. Here, by analyzing the subsurface-microstructure deformation mechanism of several samples containing various α precipitate features, for the first time, we design strategies to improve fretting damage resistance under different matching relation between Fw and the tensile strength of materials (Rm). It is found that when Fw is greater than Rm or Fw is nearly equivalent to Rm, the deformation mechanism mainly manifests as serious grain fragmentation of β and αGB constituents. Homogeneous deformation in large areas only reduces damage to a limited extent. It is crucial to improve the strength to resist cracking and wear, but it is of little significance to improve the ductility. However, when Fw is far less than Rm, coordinated deformation ability reflected by ductility plays a more important role. The deformation mechanism mainly manifests as localized deformation of β and αGB constituents (kinking induced by twinning and spheroidizing). A unique composite structure of nano-grained/lamellar layer and localized deformation transition layer reduces fretting damage by five times compared with a single nano-grained layer. Only when the strength is great enough, improving the plasticity can reduce wear. This study can provide a principle for designing fretting damage resistant alloys.
期刊介绍:
Friction is a peer-reviewed international journal for the publication of theoretical and experimental research works related to the friction, lubrication and wear. Original, high quality research papers and review articles on all aspects of tribology are welcome, including, but are not limited to, a variety of topics, such as:
Friction: Origin of friction, Friction theories, New phenomena of friction, Nano-friction, Ultra-low friction, Molecular friction, Ultra-high friction, Friction at high speed, Friction at high temperature or low temperature, Friction at solid/liquid interfaces, Bio-friction, Adhesion, etc.
Lubrication: Superlubricity, Green lubricants, Nano-lubrication, Boundary lubrication, Thin film lubrication, Elastohydrodynamic lubrication, Mixed lubrication, New lubricants, New additives, Gas lubrication, Solid lubrication, etc.
Wear: Wear materials, Wear mechanism, Wear models, Wear in severe conditions, Wear measurement, Wear monitoring, etc.
Surface Engineering: Surface texturing, Molecular films, Surface coatings, Surface modification, Bionic surfaces, etc.
Basic Sciences: Tribology system, Principles of tribology, Thermodynamics of tribo-systems, Micro-fluidics, Thermal stability of tribo-systems, etc.
Friction is an open access journal. It is published quarterly by Tsinghua University Press and Springer, and sponsored by the State Key Laboratory of Tribology (TsinghuaUniversity) and the Tribology Institute of Chinese Mechanical Engineering Society.