综述了硬质合金残余应力的形成机理、分析方法以及后续处理过程中残余应力的研究现状.硬质合金中残余应力的形成是由于受到不均匀的应力场、应变场、温度场的影响;其分析方法主要有X射线衍射法、中子射线衍射法、数值分析法.喷砂(丸)处理使合金表面产生残余压应力,其大小与介质大小、喷射压力、喷射时间等因素有关;电火花加工后的硬质合金表面的WC相中存在残余拉应力,而磨削和抛光后的表面中存在残余压应力;表面处理会导致残余应力的符号、大小和在分布产生复杂的变化.深入研究残余应力的数值模拟方法、探索切削过程中的残余应力演变和开发缓解消除残余拉应力的后处理工艺是今后的研究方向.
参考文献
| [1] | Ho S;Lavernia E J .Thermal residual stresses in metal matrix composites:A review[J].Applied Composite Materials,1995,2(01):1-30. |
| [2] | French DN .X-ray stress analysis of WC-Co cermets[J].Journal of the American Ceramic Society,1969,52:267-275. |
| [3] | Krawitz A D;Reichel D G;Hitterman R L .Residual stress and stress distribution in a WC-Ni composite[J].Materials Science and Engineering A,1989,119(01):127-134. |
| [4] | 张洪伟,张以都,吴琼.喷丸强化过程及冲击效应的数值模拟[J].金属学报,2010(01):111-117. |
| [5] | 姚萍.硬质合金磨削裂纹的产生与预防[J].机械管理开发,2009(04):81,83. |
| [6] | 徐迎春,姜萍.硬质合金涂层工艺的研究进展[J].江西冶金,2010(01):37-39,48. |
| [7] | Gurland J .Temperature and stresses in the two-phase alloy WC -Co[J].Transaction of American Society of Metals,1958,50:1063-1071. |
| [8] | H. K. Tonshoff;B. Karpuschewski;A. Mohlfeld;H. Seegers .Influence of stress distribution on adhesion strength of sputtered hard coatings[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,1998(1/2):146-150. |
| [9] | C. Larsson;M. Oden .X-ray diffraction determination of residual stresses in functionally graded WC-Co composites[J].International Journal of Refractory Metals & Hard Materials,2004(4/5):177-184. |
| [10] | Mari D;Krawitz A D;Richardson L W;Benoit W .Residual stress in WC-Co measured by neutron diffraction[J].Materials Science and Engineering A,1996,209(1-2):197-205. |
| [11] | D. L. Coats;A. D. Krawitz .Effect of particle size on thermal residual stress in WC-Co composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):338-342. |
| [12] | D. Mari;B. Clausen;M.A.M. Bourke .Measurement of residual thermal stress in WC-Co by neutron diffraction[J].International Journal of Refractory Metals & Hard Materials,2009(2):282-287. |
| [13] | Livescu V;Clausen B;Paggett JW;Krawitz AD;Drake EF;Bourke MAM .Measurement and modeling of room temperature co-deformation in WC-10 wt.% Co[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):134-140. |
| [14] | HUANG Zi-qian,HE Yue-hui,CAI Hai-tao,XIAO Yi-feng,HUANG Bai-yun.Finite element analysis of thermal residual stresses at cemented carbide rock drill buttons with cobalt-gradient structure[J].中国有色金属学会会刊（英文版）,2008(03):660-664. |
| [15] | Delfosse D;Cherradi N;Ilschner B .Numerical and experimental determination of residual stresses in graded materials[J].Composites Part B:Engineering,1997,28(1-2):127-141. |
| [16] | 龙建国.喷丸处理硬质合金工艺研究[J].硬质合金,2001(02):105-109. |
| [17] | Tonshoff H K;Mohlfeld A .Surface treatment of cutting tool substrafes[J].International Journal of Machine Tools and Manufacture,1998,38(5-6):469-476. |
| [18] | 杜海燕,杨晶,孙景,赵克远,杜希文.湿法喷丸处理YG8合金表面残余应力分析及对性能的影响[J].粉末冶金技术,2007(01):13-16. |
| [19] | 钱崇梁,吴恩熙,吕海波,陈瑞琨,余振辉,伍春华.WC-Co硬质合金的加工残余应力[J].中国有色金属学报,1993(01):50-53. |
| [20] | B. Casas;Y. Torres;L. Llanes .Fracture and fatigue behavior of electrical-discharge machined cemented carbides[J].International Journal of Refractory Metals & Hard Materials,2006(1/2):162-167. |
| [21] | K. Bonny;P. De Baets;J. Quintelier;J. Vleugels;D. Jiang;O. Van der Biest;B. Lauwers;W. Liu .Surface finishing: Impact on tribological characteristics of WC-Co hardmetals[J].Tribology International,2010(1/2):40-54. |
| [22] | Perry A J;Geist D E;Narasimhan K;Treglia J R .On the state of stress in the surface of ground cemented carbide before and after metal ion implantation[J].Surface and Coatings Technology,1996,86-87(01):364-371. |
| [23] | Anthony J. Perry;Daniel E. Geist;David Rafaja .Residual stress in cemented carbide following a coating process and after an ion implantation post-treatment of the coating[J].Surface & Coatings Technology,1998(1/3):225-229. |
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%