采用电阻法和透射电镜观察等方法测定了含钛0.088%微合金钢中碳化钛(TiC)的等温析出(PTT)曲线,分析了其析出行为.结果表明:在γ→α转变区的530~630℃范围内,TiC析出速率最大;在高温固溶及等温析出条件下,TiC在奥氏体中以针状析出,而在铁素体中呈相间或弥散析出;在530~630℃温度区间等温,可得到最好析出强化效果.
参考文献
[1] | 吴静,张恒华.铌微合金钢析出相的形成与长大规律[J].金属热处理,2011(04):4-7. |
[2] | 顾苏怡.大变形共析钢时效析出机制探讨[J].材料热处理学报,2010(03):89-91,96. |
[3] | 刘胜新,陈永,刘国权,李庆奎,牛济泰,关绍康.用应力松驰法研究微合金钢碳氮化物的应变诱导析出行为[J].机械工程材料,2006(10):84-87. |
[4] | Jung, J.-G.;Park, J.-S.;Kim, J.;Lee, Y.-K. .Carbide precipitation kinetics in austenite of a Nb-Ti-V microalloyed steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(16/17):5529-5535. |
[5] | Wantang Fu;Zheng Wang;Tianfu Jing .A New Approach to Isothermal Precipitation kinetics of Carbides[J].Journal of Materials Science & Technology,1998(5):478-480. |
[6] | 刘革,贾云海,陈吉文,王海舟.钢中氮化钛及碳化钛的光谱行为初探[J].冶金分析,2003(03):26-27,25. |
[7] | 许峰云,白秉哲,方鸿生.低合金高强度钢钛微合金化进展[J].金属热处理,2007(12):29-34. |
[8] | R. SOTO;W. SAIKALY;X. BANO .STATISTICAL AND THEORETICAL ANALYSIS OF PRECIPITATES IN DUAL-PHASE STEELS MICROALLOYED WITH TITANIUM AND THEIR EFFECT ON MECHANICAL PROPERTIES[J].Acta materialia,1999(12):3475-3481. |
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