综述了近20年国内、外有关特定焊接条件下,硫含量对熔池中流体流动方式和熔池深度影响方面的研究状况.表面活性元素硫主要是通过改变熔池中流体的流动方式来影响熔池的形状和尺寸.表面张力温度系数是熔池表面温度和活性元素硫含量的函数,表面张力不仅仅与硫含量有关,而且还与熔池表面温度关系密切.硫含量并不是获得最好的焊接熔池深宽比的唯一因素,而是硫含量、焊接电流、电弧移动速度、焊接能量以及能量密度的共同作用影响了熔池中流体的流动方式和熔池深宽比.
参考文献
| [1] | Kou S;Wang Y H .Three Dimensional Convection in LaserMelted Pools[J].Metallurgical and Materials Transactions,1986,17(12):2265-2270. |
| [2] | Zacharia T;Eraslan A H;Aidun D K .Modelling of Non-Au-togenous Welding[J].Welding Journal,1988,67(01):18-27. |
| [3] | Sahoo P;Debroy T .Surface Tension of Binary Metal-SurfaceActive Solute Systems under Conditions Relevant to WeldingMetallurgy[J].Metallurgical and Materials Transactions,1987,19(06):483-491. |
| [4] | Heiple C R;Roper J R .Mechanism for Minor Element Effecton GTA Fusion Zone Geometry[J].Welding Journal,1982,61(04):97-102. |
| [5] | Heiple C R;Roper J .Surface Active Element Effects on theShape of GTA[J].Laser and Electron Beam Welds Welding,1983,62(03):72-77. |
| [6] | Heiple C R;Roper J .Effect of Selenium on GTAW FusionZone Geometry[J].Welding Journal,1981,60(08):143-146. |
| [7] | Oreper G M;Szekely J .Heat and Fluid Flow Phenomena inWeld Pools[J].Journal of Fluid Mechanics,1984,147(10):53-79. |
| [8] | Y. WANG;Q. SHI;H.L. TSAI .Modeling of the Effects of Surface-Active Elements on Flow Patterns and Weld Penetration[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2001(1):145-161. |
| [9] | Tsai N S;Eagar T W .Distribution of Heat and Current Fluxesin Gas Tungsten Arcs[J].Metallurgical and Materials Transactions,1985,16(02):841-848. |
| [10] | 雷永平 .焊接熔池与凝固过程数值模拟[D].西安:西安交通大学,1994. |
| [11] | Choo R T C;Szekely J .Vaporization Kinetics and SurfaceTemperature in a Mutually Coupled Spot Gas Tungsten arcWeld and Weld Pool[J].Welding Journal,1992,71(03):77-93. |
| [12] | Kou S;Wang Y H .Weld Pool Convection and Its Effect[J].Welding Journal,1986,65(03):63-70. |
| [13] | Paul A;Debroy T .Free Surface Flow and Heat Transfer inConduction Mode Laser Welding.Metall[J].Metallurgical and Materials Transactions,1988,19(06):851-858. |
| [14] | Zacharia T;David S A .Weld Pool Development during GTAand Laser Beam Welding of Type 304 Stainless Steel .Part1-Theoretical Analysis[J].Welding Journal,1989,68(12):499-509. |
| [15] | Zacharia T;David S A .Weld Pool Development during GTAand Laser Beam Welding of Type 304 Stainless Steel .Part11-Experimental Correlation[J].Welding Journal,1989,68(12):510-519. |
| [16] | Heiple C R;Burgardt P .Effects of SO2 Shielding Gas Addi-tions on GTA Weld Shape[J].Welding Journal,1985,64(06):159-162. |
| [17] | Pitscheneder W;Debroy T;Mundra K .Role of Sulfurand Processing Variables on the Temporal Evolution of WeldPool Geometry during Multikilowatt Laser Beam Welding ofSteels[J].Welding Journal,1996,75(03):71-80. |
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%