对比了两种热循环(实际焊接与模拟单道次焊接)对Q690 TMCP钢粗晶区组织性能的影响.结果表明:模拟焊接热循环条件下,随热输入增大粗晶区组织分别经历了板条马氏体、回火马氏体、上贝氏体及粒状贝氏体转变,粗晶区冲击功随热输入能量的增大先增大后减小,峰值对应热输入20 kJ· cm-;相同热输入能量的实际焊接试样粗晶区的冲击功变化趋势与模拟焊接试样相似,但数值均低.分析得出,实际焊接试样粗晶区中新生M-A组元导致了其冲击功相对更低.
参考文献
| [1] | Yaowu Shi;Zhunxiang Han .Effect of weld thermal cycle on microstructure and fracture toughness of simulated heat-affected zone for a 800 MPa grade high strength low alloy steel[J].Journal of Materials Processing Technology,2008(1/3):30-39. |
| [2] | LIU Wen-yan;WANG Lai;LIU Ji-bin et al.Microstructures and properties in simulated heat-affected zones of 685 MPa grade copper-bearing steel[J].Journal of Iron and Steel Research International,2007,14(05):220-226. |
| [3] | Fukuhisa MATSUDA;Kenji IKEUCHI;Yasuto FUKADA;Yukuhiko HORII;Hitoshi OKADA;Toyoaki SHIWAKU;Chiaki SHIGA;Shinichi SUZUKI .Review of Mechanical and Metallurgical Investigations of M-A Constituent in Welded Joint in Japan[J].Transactions of JWRI,1995(1):1-23. |
| [4] | S. Moeinifar;A.H. Kokabi;H.R. Madaah Hosseini .Influence of peak temperature during simulation and real thermal cycles on microstructure and fracture properties of the reheated zones[J].Materials & design,2010(6):2948. |
| [5] | KENJI OHYA;JONGSEOP KIM;KEN'ICHI YOKOYAMA;MICHIHIKO NAGUMO .Microstructures Relevant to Brittle Fracture Initiation at the Heat-Affected Zone of Weldment of a Low Carbon Steel[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1996(9):2574-2582. |
| [6] | 邹增大;李亚江;尹士科 .HQ130钢焊接CGHAZ韧性及TEM分析[J].焊接学报,1998,19(03):141-146. |
| [7] | 周振丰;张文钺.焊接冶金与金属焊接性[M].北京:机械工业出版社,1980 |
| [8] | Kweon K.S.;Kim J.H. .Microstructure and toughness of intercritically reheated heat affected zone in reactor pressure vessel steel weld[J].Science and Technology of Welding and Joining,2000(3):161-167. |
| [9] | DAVIS C L;KING J E .Cleavage initiation in the intercritically reheated coarse-grained heat-affected zone:Part Ⅰ.Fractographic evidence[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1994,25(03):563-573. |
| [10] | A. LAMBERT-PERLADE;A. F. GOURGUES;J. BESSON .Mechanisms and Modeling of Cleavage Fracture in Simulated Heat-Affected Zone Microstructures of a High-Strength Low Alloy Steel[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2004(3a):1039-1053. |
| [11] | 刘文月,任毅,张帅,王爽,张禄林.二次热循环对X100管线钢粗晶热影响区组织与性能的影响[J].材料热处理学报,2012(03):99-103. |
| [12] | Yaowu Shi;Zhunxiang Han .Effect of weld thermal cycle on microstructure and fracture toughness of simulated heat-affected zone for a 800 MPa grade high strength low alloy steel[J].Journal of Materials Processing Technology,2008(1/3):30-39. |
| [13] | Ivan HRIVNAK;Fukuhisa MATSUDA;LI Zhong-lin et al.Investigation of metallography and behavior of MA constituent in weld HAZ of HSLA steels[J].Transactions of JWRI,1992,21(02):241-250. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%