阻燃钛合金Ti40的热物理性能及力学性能
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摘要
作为一种功能性钛合金,Ti40阻燃钛合金的热物理性能数据首次被报道。采用真空自耗电弧熔炼技术制备的Ti40合金铸锭成分均匀,利用热挤压开坯+包套保护锻造方法制备的板坯组织均匀。性能测试结果表明:Ti40合金的室温抗拉强度为950 MPa级,且在500℃下具有良好的热暴露性能、高温蠕变性能和高温持久性能。在室温到600℃范围内,合金的杨氏模量和剪切模量随着温度的升高呈线性下降,泊松比随着温度升高而缓慢增加;线性热膨胀曲线随着温度升高呈抛物线增加,平均线膨胀系数随着温度的升高呈线性增加。
As a functional material of burn-resistant titanium alloy,the physical properties of Ti40 alloy were first reported. The chemical compositions of Ti40 alloy ingots by VAR were uniform. The microstructures of Ti40 alloy slab manufactured by HEFF+WPF were uniform. The results show that the room temperature tensile strength of Ti40 alloy is 950 MPa degree. The properties of high temperature heat exposure,creep resistance and lasting time are good at 500 ℃. In the range from room temperature to 600 ℃,Young's modulus and shear modulus are decreased linearly with increasing the temperature,Poisson's ratio is increases slowly as the temperature rises,and linear thermal expansion coefficient and average linear expansion coefficient is increase as the temperature rises.
As a functional material of burn-resistant titanium alloy,the physical properties of Ti40 alloy were first reported. The chemical compositions of Ti40 alloy ingots by VAR were uniform. The microstructures of Ti40 alloy slab manufactured by HEFF+WPF were uniform. The results show that the room temperature tensile strength of Ti40 alloy is 950 MPa degree. The properties of high temperature heat exposure,creep resistance and lasting time are good at 500 ℃. In the range from room temperature to 600 ℃,Young's modulus and shear modulus are decreased linearly with increasing the temperature,Poisson's ratio is increases slowly as the temperature rises,and linear thermal expansion coefficient and average linear expansion coefficient is increase as the temperature rises.
引文
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[18]ZHU Y C,ZENG W D,ZHANG F S,et al.A new methodology for prediction of fracture initiation in hot compression of Ti40 titanium alloy[J].Malerials Science and Engineering:A,2012,553:112-118.
[19]ZHAO Y Q,QU H L,WAMG M M,et al.Thermal stability and creep behavior of Ti-V-Cr burn-resistant alloys[J].J Alloy Compd,2006,407(Suppl 1/2):118-124.
[20]XIN S W,ZHAO Y Q,ZENG W D,et al.Research on thermal stability of Ti40 alloy at 550℃[J].Materials Science and Engineering:A,2008,477:372-378.
[21]ZHAO Y Q,XIN S W,ZENG W D.Effect of major alloying elements on microstructure and mechanical properties of a highly stabilized titanium alloy[J].J Alloy Compd,2009,481:190-194.
[22]辛社伟,赵永庆,曾卫东.钒和铬对Ti40阻燃钛合金力学性能的影响机制[J].中国有色金属学报,2008,18(7):1216-1222.(XIN S W,ZHAO Y Q,ZENG W D.Mechanism of V and Cr on mechanical properties of Ti40 burn resistant titanium alloy[J].The Chinese Journal of Nonferrous Metals,2008,18(7):1216-1222.)
[23]吴欢,曾卫东,赵永庆.影响高稳定β钛合金性能的因素分析[J].金属热处理,2006,31(1):23-26.(WU H,ZENG W D,ZHAO Y Q.Factors influencing properties of high stabilityβtitanium alloy[J].Heat Treatment of Metals,2006,31(1):23-26.)
[24]周廉,周义刚,赵永庆,等.阻燃钛合金Ti40的热加工与力学性能研究[J].西北工业大学学报,2003,21(4):381-386.(ZHOU L,ZHOU Y G,ZHAO Y Q,et al.Hot processing and mechanical properties of Chinese Ti40 burn-proof titanium alloy[J].Journal of Northwestern Polytechnical University,2003,21(4):381-386.)
[25]曲恒磊,赵永庆,朱康英,等.新型阻燃β钛合金的断裂行为[J].材料科学与工艺,2001,9(4):352-355.(QU H L,ZHAO Y Q,ZHU K Y,et al.Fractography of a newβ-type burn-resistant titanium alloy[J].Materials Science and Technology,2001,9(4):352-355.)
[26]罗强,王理,周之入,等.TA16和TA17钛合金热物理性能与温度的关系[J].机械工程材料,2009,33(10):30-32.(LUO Q,WANG L,ZHOU Z R,et al.Relationship between temperature and thermal physical properties of TA16and TA17 titanium alloys[J].Materials for Mechanical Engineering,2009,33(10):30-32.)
[27]石照夏,颜晓峰,段春华,等.大尺寸锻件GH690合金的热物理性能和拉伸性能[J].物理测试,2015,33(6):6-10.(SHI Z X,YAN X F,DUAN C H,et al.Thermal physical properties and tensile properties of large size forgings GH690 alloy[J].Physics Examination and Testing,2015,33(6):6-10.)
[2]HEMSON R.New titanium-niobium alloy solves autoclave problem[J].Advanced Materials and Processes,1995,(5):27-28.
[3]弭光宝,黄旭,曹京霞,等.Ti-V-Cr系阻燃钛合金抗点燃性能及其理论分析[J].金属学报,2014,50(5):575-586.(MI G B,HUANG X,CAO J X,et al.Ignition resistance performance and its theoretical analysis of Ti-V-Cr type fireproof titanium alloy[J].Acta Metallurgica Sinica,2014,50(5):575-586.)
[4]张学敏.Ti40阻燃合金高温变形机理及开裂准则研究[D].西安:西北工业大学,2007.(ZHANG X M.High temperature deformation mechanism and fracture criteria of Ti40 burn resistant alloy[D].Xi'an:Northwestern Polytechnical University,2007.)
[5]弭光宝,曹春晓,黄旭,等.Ti-V-Cr系阻燃钛合金的非等温氧化行为及阻燃性能预测[J].材料工程,2016,44(1):1-10.(MI G B,CAO C X,HUANG X,et al.Non-isothermal oxidation characteristic and fireproof property prediction of Ti-V-Cr type fireproof titanium alloy[J].Journal of Materials Engineering,2016,44(1):1-10.)
[6]弭光宝,黄旭,曹京霞,等.航空发动机钛火试验技术研究新进展[J].航空材料学报,2016,36(3):20-26.(MI G B,HUANG X,CAO J X,et al.Experimental technique of titanium fire in aero-engine[J].Journal of Aeronautical Materials,2016,36(3):20-26.)
[7]曹京霞,黄旭,弭光宝,等.Ti-V-Cr系阻燃钛合金应用研究进展[J].航空材料学报,2014,34(4):92-97.(CAO J X,HUANG X,MI G B,et al.Research progress on application technique of Ti-V-Cr burn resistant titanium alloys[J].Journal of Aeronautical Materials,2014;34(4):92-97.)
[8]WARD C H,SPANOS G,BRODERCIK T F,et al.Isothermal transformation of precipitates in alloy[C]∥Proceedings of the 8th World Conference on Titanium.London:[s.n].1996:2377-2384.
[9]BRODERICK T F,RESHAD J,WARD C H,et al.Solvus temperatures of various phase in alloy[C]∥Proceedings of the 8th World Conference on Titanium.London:[s.n].1996:2385-2392.
[10]雷力明,黄旭,王宝,等.阻燃钛合金的研究和发展[J],材料导报,2003,17(5):21-23.(LEI L M,HUANG X,WANG B,et al.Research and development of non-burning titanium alloys[J].Materials Review,2003,17(5):21-23.)
[11]赖运金,张平祥,辛社伟,等.热处理对WSTi3515S合金组织和性能的影响[J].稀有金属材料与工程,2015,44(6):1469-1473.(LAI Y J,ZHANG P X,XIN S W,et al.Effect of heat treatment on microstructure and mechanical properties of WSTi3515S alloy[J].Rare Metal Materials and Engineering,2015,44(6):1469-1473.)
[12]赖运金,张维,王晓亮,等.WSTi3515S阻燃钛合金的工程化制备及力学性能研究[J].钛工业进展,2015,32(6):13-18.(LAI Y J,ZHANG W,WANG X L,et al.Industrial manufacturing and mechanical properties of WSTi3515S burn-resistant titanium alloy[J].Titanium Industry Progress,2015,32(6):13-18.)
[13]弭光宝,黄旭,曹京霞,等.摩擦点火Ti-V-Cr阻燃钛合金燃烧产物组织特征[J].物理学报,2016,65(5):056103-056103.(MI G B,HUANG X,CAO J X,et al.Microstructure characteristics of burning products of Ti-V-Cr fireproof titanium alloy by frictional ignition[J].Acta Phys Sin,2016,65(5):056103-056103.)
[14]赵永庆,葛鹏.我国自主研发钛合金现状与发展[J].航空材料学报,2014,34(4):51-61.(ZHAO Y Q,GE P.Current situation and development of new titanium alloys invented in China[J].Journal of Aeronautical Materials,2014,34(4):51-61.)
[15]LAI Y J,XIN S W,ZHANG P X,et al.Recrystallization behavior of Ti40 burn-resistant titanium alloy during hot working process[J].International Journal of Minerals Metallurgy and Materials,2016,23(5):581-587.
[16]HANSEN J O,NOVOTNAK D,WELTER M F,et al.Properties and processing of a high strength beta titanium alloy[C]∥Proceedings of the 8th World Conference on Titanium.London:1996:[s.n].675-682.
[17]XIN S W,ZHAO Y Q,LU Y F,et al.Role of grain boundaries in the high-temperature performance of a highly stabilized beta titanium alloy I:thermal stability[J].Materials Science and Engineering:A,2013,559:1-6.
[18]ZHU Y C,ZENG W D,ZHANG F S,et al.A new methodology for prediction of fracture initiation in hot compression of Ti40 titanium alloy[J].Malerials Science and Engineering:A,2012,553:112-118.
[19]ZHAO Y Q,QU H L,WAMG M M,et al.Thermal stability and creep behavior of Ti-V-Cr burn-resistant alloys[J].J Alloy Compd,2006,407(Suppl 1/2):118-124.
[20]XIN S W,ZHAO Y Q,ZENG W D,et al.Research on thermal stability of Ti40 alloy at 550℃[J].Materials Science and Engineering:A,2008,477:372-378.
[21]ZHAO Y Q,XIN S W,ZENG W D.Effect of major alloying elements on microstructure and mechanical properties of a highly stabilized titanium alloy[J].J Alloy Compd,2009,481:190-194.
[22]辛社伟,赵永庆,曾卫东.钒和铬对Ti40阻燃钛合金力学性能的影响机制[J].中国有色金属学报,2008,18(7):1216-1222.(XIN S W,ZHAO Y Q,ZENG W D.Mechanism of V and Cr on mechanical properties of Ti40 burn resistant titanium alloy[J].The Chinese Journal of Nonferrous Metals,2008,18(7):1216-1222.)
[23]吴欢,曾卫东,赵永庆.影响高稳定β钛合金性能的因素分析[J].金属热处理,2006,31(1):23-26.(WU H,ZENG W D,ZHAO Y Q.Factors influencing properties of high stabilityβtitanium alloy[J].Heat Treatment of Metals,2006,31(1):23-26.)
[24]周廉,周义刚,赵永庆,等.阻燃钛合金Ti40的热加工与力学性能研究[J].西北工业大学学报,2003,21(4):381-386.(ZHOU L,ZHOU Y G,ZHAO Y Q,et al.Hot processing and mechanical properties of Chinese Ti40 burn-proof titanium alloy[J].Journal of Northwestern Polytechnical University,2003,21(4):381-386.)
[25]曲恒磊,赵永庆,朱康英,等.新型阻燃β钛合金的断裂行为[J].材料科学与工艺,2001,9(4):352-355.(QU H L,ZHAO Y Q,ZHU K Y,et al.Fractography of a newβ-type burn-resistant titanium alloy[J].Materials Science and Technology,2001,9(4):352-355.)
[26]罗强,王理,周之入,等.TA16和TA17钛合金热物理性能与温度的关系[J].机械工程材料,2009,33(10):30-32.(LUO Q,WANG L,ZHOU Z R,et al.Relationship between temperature and thermal physical properties of TA16and TA17 titanium alloys[J].Materials for Mechanical Engineering,2009,33(10):30-32.)
[27]石照夏,颜晓峰,段春华,等.大尺寸锻件GH690合金的热物理性能和拉伸性能[J].物理测试,2015,33(6):6-10.(SHI Z X,YAN X F,DUAN C H,et al.Thermal physical properties and tensile properties of large size forgings GH690 alloy[J].Physics Examination and Testing,2015,33(6):6-10.)