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·786 北京科技大学学报 第36卷 应力的增加,循环次数逐渐减少.通过拟合,得到 [10]Zhou J,Kang Y L,Mao X P,et al.Effect of Ti on the mechani- CSP工艺生产的Ti微合金化高强钢的疲劳寿命与 cal properties of high strength weathering steel.Univ Sci Techn- 最大应力的关系为lgN=7.9045-1.5449(omm- ol Beijing,2006,28(10):926 (周建,康永林,毛新平,等.对高强耐候钢力学性能的影 680.8). 响.北京科技大学学报,2006,28(10):926) (3)从疲劳断口上可以清楚地看到疲劳源区、 [11]Dong NN,Zhang H M.Study on high cyele fatigue behavior of 裂纹扩展区和瞬断区形貌.疲劳裂纹形核于带钢表 micro-alloyed pipeline steel X80.Hot Work Technol,2009,38 面的微裂纹处;扩展区第一阶段裂纹受切应力控制, (10):74 (董楠楠,张红梅.微合金管线钢X80的高周疲劳行为研究 扩展区第二阶段存在二次裂纹及疲劳辉纹,并随着 热加工工艺,2009,38(10):74) 裂纹扩展的进行,疲劳贝纹线间距逐渐增加,由15 [12]Li S H,Zeng Y P,Tong K.Micro-behaviors of inclusions in the μm增加到50μum以上;瞬断区有明显的撕裂棱形 X80 pipeline steel under fatigue loading.Acta Petrolei Sin 貌,兼具韧窝存在 2012,33(3):506 (李少华,曾燕屏,仝珂.疲劳载荷作用下X80管线钢夹杂 参考文献 物的微观行为.石油学报,2012,33(3):506) [Huh H,Kim S B,Song J H,et al.Dynamic tensile characteristics [13]Liu X Y,He X M,Dong J.Fatigue crack initiation and propaga- of TRIP-type and DP-type steel sheets for an auto-body.Int J Mech tion behavior of 2Cr13 steel.Hot Work Technol,2012,41(2): Sci,2008,50(5):918 49 2]Fourlaris G,Ellwood R,Jones T B.The reliability of test results (刘晓燕,何晓梅,董洁.2C13钢的疲劳裂纹萌生与扩展行 from simple test samples in predicting the fatigue performance of 为.热加工工艺,2012,41(2):49) automotive components.Mater Des,2007,28(4):1198 04] Wang X N.Du L X,Di H S.Study on fatigue property of new B]Kang Y L.Lightweight vehicle,advanced high strength steel and type hot-rolled nano precipitation strengthening ultra-high strength energy-saving and emission reduction.Iron Steel,2008,43(6):1 automobile strip.J Mech Eng,2012,48 (22):27 (康永林.汽车轻量化先进高强钢与节能减排.钢铁,2008, (王晓南,杜林秀,邸洪双.新型热轧纳米析出强化超高强 43(6):1) 汽车板的疲劳性能研究.机械工程学报,2012,48(22):27) 4]Kastensson A.Developing lightweight concepts in the automotive 05] Wang C,Zeng Y P,Xie X S.Influence of characteristie inclu- industry:taking on the environmental challenge with the SaNatt sion parameters on crack initiation and propagation in ultra-high Project.J Clean Prod,2014,66(1)337 strength steels for aerospace application under tensile and low ey- [5]Liang Y,Liang YL,Chen C T,et al.Bending fatigue perform- clic fatigue loading.J Unir Sci Technol Beijing,2009,31 (5): ance of the new bainitic steel.I Guizhou Unie Technol Nat Sci Ed, 557 2004,33(4):52 (王冲,曾燕屏,谢锡善.拉伸与低周疲劳载荷作用下夹杂 (梁字,梁益龙,陈朝铁,等.新型贝氏体钢的弯曲疲劳性能 物特征参数对航空用超高强度钢中裂纹萌生与扩展的影响 贵州工业大学学报:自然科学版,2004,33(4):52) 北京科技大学学报,2009,31(5):557) 6]Shen Y F,Wang C N,Sun X.A micro-alloyed ferritic steel [16] Zhao F X,Li H,Xu X C,et al.Influence of inclusion size on fa- strengthened by nanoscale precipitates.Mater Sci Eng A,2011, tigue life of high strength steel for automobile wheel.Min Metall 528(22):8150 Eng,2013,33(1):101 7]Huo X D,Mao X P,Lv S X.Nanocarbides in Ti-microalloved (赵风晓,李会,许晓嫦,等.夹杂物尺寸对汽车车轮用钢疲 high strength steel produced by CSP process.J Unir Sci Technol 劳寿命的影响.矿治工程,2013,33(1):101) Beijing,2011,33(8):941 [17]Chen J B,Wei Y H,Ma LL.Investigation on fatigue property of (霍向东,毛新平,吕盛夏.CSP生产Ti微合金化高强钢中纳 TWIP steel joint by laser welding.Trans Mater Heat Treat, 米碳化物.北京科技大学学报,2011,33(8):941) 2013,34(Suppl2):79 [8]Kang Y L,Zhou J,Mao X P.Analysis on microstructure,service (陈剑波,卫英慧,马丽莉.TWP钢薄板激光焊接接头的疲 performance and weather resisting property of CSP produced Ti mi- 劳性能.材料热处理学报,2013,34(增刊2):79) croalloyed high strength weathering steel.Henan Metall,2007,15 [18]Zhao S B,Wang Z B.Fatigue Design.Beijing:China Machine (4):7 Press,1992 (康永林,周建,毛新平.CSP生产Ti微合金化高强耐候钢组 (赵少汴,王忠保.疲劳设计.北京:机械工业出版社, 织、应用性能与耐候性分析.河南治金,2007,15(4):7) 1992) Kang YL,Fu J,Liu DL,et al.Control of Microstructure and 9]Zhang F W.The Study on Fatigue Crack Grouth of High Strength Properties of Steel under Thin Slab Continuous Casting and Roll- Steel [Dissertation].Wuhan:Wuhan University of Technology, ing.Beijing:Metallurgical Industry Press,2006 2011 (康永林,傅杰,柳得橹,等.薄板坯连铸连轧钢的组织性能 (张凤武.高强钢疲劳裂纹扩展研究[学位论文].武汉:武 控制.北京:治金工业出版社,2006) 汉理工大学,2011)北 京 科 技 大 学 学 报 第 36 卷 应力的增加,循环次数逐渐减少. 通过拟合,得到 CSP 工艺生产的 Ti 微合金化高强钢的疲劳寿命与 最大应力的关系为 lg Nf = 7. 9045 - 1. 5449( σmax - 680. 8) . ( 3) 从疲劳断口上可以清楚地看到疲劳源区、 裂纹扩展区和瞬断区形貌. 疲劳裂纹形核于带钢表 面的微裂纹处; 扩展区第一阶段裂纹受切应力控制, 扩展区第二阶段存在二次裂纹及疲劳辉纹,并随着 裂纹扩展的进行,疲劳贝纹线间距逐渐增加,由 15 μm 增加到 50 μm 以上; 瞬断区有明显的撕裂棱形 貌,兼具韧窝存在. 参 考 文 献 [1] Huh H,Kim S B,Song J H,et al. Dynamic tensile characteristics of TRIP-type and DP-type steel sheets for an auto-body. Int J Mech Sci,2008,50( 5) : 918 [2] Fourlaris G,Ellwood R,Jones T B. The reliability of test results from simple test samples in predicting the fatigue performance of automotive components. Mater Des,2007,28( 4) : 1198 [3] Kang Y L. Lightweight vehicle,advanced high strength steel and energy-saving and emission reduction. Iron Steel,2008,43( 6) : 1 ( 康永林. 汽车轻量化先进高强钢与节能减排. 钢铁,2008, 43( 6) : 1) [4] Kastensson . Developing lightweight concepts in the automotive industry: taking on the environmental challenge with the SNtt Project. J Clean Prod,2014,66( 1) : 337 [5] Liang Y,Liang Y L,Chen C T,et al. Bending fatigue perform￾ance of the new bainitic steel. J Guizhou Univ Technol Nat Sci Ed, 2004,33( 4) : 52 ( 梁宇,梁益龙,陈朝铁,等. 新型贝氏体钢的弯曲疲劳性能. 贵州工业大学学报: 自然科学版,2004,33( 4) : 52) [6] Shen Y F,Wang C N,Sun X. A micro-alloyed ferritic steel strengthened by nanoscale precipitates. Mater Sci Eng A,2011, 528( 22) : 8150 [7] Huo X D,Mao X P,Lv S X. Nanocarbides in Ti-microalloyed high strength steel produced by CSP process. J Univ Sci Technol Beijing,2011,33( 8) : 941 ( 霍向东,毛新平,吕盛夏. CSP 生产 Ti 微合金化高强钢中纳 米碳化物. 北京科技大学学报,2011,33( 8) : 941) [8] Kang Y L,Zhou J,Mao X P. Analysis on microstructure,service performance and weather resisting property of CSP produced Ti mi￾croalloyed high strength weathering steel. Henan Metall,2007,15 ( 4) : 7 ( 康永林,周建,毛新平. CSP 生产 Ti 微合金化高强耐候钢组 织、应用性能与耐候性分析. 河南冶金,2007,15( 4) : 7) [9] Kang Y L,Fu J,Liu D L,et al. Control of Microstructure and Properties of Steel under Thin Slab Continuous Casting and Roll￾ing. Beijing: Metallurgical Industry Press,2006 ( 康永林,傅杰,柳得橹,等. 薄板坯连铸连轧钢的组织性能 控制. 北京: 冶金工业出版社,2006) [10] Zhou J,Kang Y L,Mao X P,et al. Effect of Ti on the mechani￾cal properties of high strength weathering steel. J Univ Sci Techn￾ol Beijing,2006,28( 10) : 926 ( 周建,康永林,毛新平,等. Ti 对高强耐候钢力学性能的影 响. 北京科技大学学报,2006,28( 10) : 926) [11] Dong N N,Zhang H M. Study on high cycle fatigue behavior of micro-alloyed pipeline steel X80. Hot Work Technol,2009,38 ( 10) : 74 ( 董楠楠,张红梅. 微合金管线钢 X80 的高周疲劳行为研究. 热加工工艺,2009,38( 10) : 74) [12] Li S H,Zeng Y P,Tong K. Micro-behaviors of inclusions in the X80 pipeline steel under fatigue loading. Acta Petrolei Sin, 2012,33( 3) : 506 ( 李少华,曾燕屏,仝珂. 疲劳载荷作用下 X80 管线钢夹杂 物的微观行为. 石油学报,2012,33( 3) : 506) [13] Liu X Y,He X M,Dong J. Fatigue crack initiation and propaga￾tion behavior of 2Cr13 steel. Hot Work Technol,2012,41( 2) : 49 ( 刘晓燕,何晓梅,董洁. 2Cr13 钢的疲劳裂纹萌生与扩展行 为. 热加工工艺,2012,41( 2) : 49) [14] Wang X N,Du L X,Di H S. Study on fatigue property of new type hot-rolled nano precipitation strengthening ultra-high strength automobile strip. J Mech Eng,2012,48( 22) : 27 ( 王晓南,杜林秀,邸洪双. 新型热轧纳米析出强化超高强 汽车板的疲劳性能研究. 机械工程学报,2012,48( 22) : 27) [15] Wang C,Zeng Y P,Xie X S. Influence of characteristic inclu￾sion parameters on crack initiation and propagation in ultra-high strength steels for aerospace application under tensile and low cy￾clic fatigue loading. J Univ Sci Technol Beijing,2009,31( 5) : 557 ( 王冲,曾燕屏,谢锡善. 拉伸与低周疲劳载荷作用下夹杂 物特征参数对航空用超高强度钢中裂纹萌生与扩展的影响. 北京科技大学学报,2009,31( 5) : 557) [16] Zhao F X,Li H,Xu X C,et al. Influence of inclusion size on fa￾tigue life of high strength steel for automobile wheel. Min Metall Eng,2013,33( 1) : 101 ( 赵凤晓,李会,许晓嫦,等. 夹杂物尺寸对汽车车轮用钢疲 劳寿命的影响. 矿冶工程,2013,33( 1) : 101) [17] Chen J B,Wei Y H,Ma L L. Investigation on fatigue property of TWIP steel joint by laser welding. Trans Mater Heat Treat, 2013,34( Suppl 2) : 79 ( 陈剑波,卫英慧,马丽莉. TWIP 钢薄板激光焊接接头的疲 劳性能. 材料热处理学报,2013,34( 增刊 2) : 79) [18] Zhao S B,Wang Z B. Fatigue Design. Beijing: China Machine Press,1992 ( 赵 少 汴,王 忠 保. 疲 劳 设 计. 北 京: 机械工业出版社, 1992) [19] Zhang F W. The Study on Fatigue Crack Growth of High Strength Steel [Dissertation]. Wuhan: Wuhan University of Technology, 2011 ( 张凤武. 高强钢疲劳裂纹扩展研究[学位论文]. 武汉: 武 汉理工大学,2011) ·786·
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