用新组建的微尺寸试样腐蚀疲劳实验平台研究了304不锈钢微试样在腐蚀性介质(0.9%NaCl溶液)和实验室空气中的疲劳性能.结果表明:预腐蚀后,微试样表面腐蚀形貌为均匀腐蚀,没有发现明显的点蚀特征.微试样在空气中的疲劳寿命为107次,是腐蚀介质中疲劳寿命的10-100倍.腐蚀疲劳过程中伴随着最大载荷的降低.且在疲劳断裂前很短的时间内,最大载荷急剧降低.腐蚀疲劳断口上没有明显的腐蚀疲劳长裂纹出现.
参考文献
| [1] | Chuang WH;Fettig RK;Ghodssi R .An electrostatic actuator for fatigue testing of low-stress LPCVD silicon nitride thin films[J].Sensors and Actuators, A. Physical,2005(2):557-565. |
| [2] | Mizutani Y;Higo Y;Iehikawa Y et al.Corrosion fatigue testa of micro-sized specimens[J].Mater Res Soe Symp Prec,2001,6573:32-43. |
| [3] | Jivkov AP. .Evolution of fatigue crack corrosion from surface irregularities[J].Theoretical and Applied Fracture Mechanics,2003(1):45-54. |
| [4] | Muhlstein C L;Brown S B;Ritchie R O .High-cycle fatigue of single-erystal silicon thin films[J].Micro Electro Mechanical Systems,2001,10:593-600. |
| [5] | Spearing S M .Materials issues in micreelectromechanical systems (MEMS)[J].Acta Materials,2000,48:179-196. |
| [6] | 王荣光,魏云,张清廉,郑文龙.奥氏体不锈钢SUS316及SUS316L在含Cl-的饱和H2S水溶液中的应力腐蚀行为研究[J].中国腐蚀与防护学报,2000(01):47-53. |
| [7] | Hillman C;Castillo B;Pecht M .Diffusion and absorption of corrosive gases in electronic encapsulants microelectron[J].Microelectronics Reliability,2003,43:635-642. |
| [8] | Gutmanis L.Corrosion affects on microelectromechanical systems (MEMS)[A].Petersburg,F L,2002:56. |
| [9] | Suter T;Bohni H .Micreelectrodes for corrosion studies in microsysterm[J].Electroehim Acta,2001,47:191-198. |
| [10] | Xie J H;Ahraet T Alpas;Derek O.Northwood .A mechanism for the crack initiation of corrosion fatigue to type 316L stainless steel in Hank's solution[J].Materials Characterization,2002,48(03):271. |
| [11] | Schultze J W;Bressel A .Principles of electrochemical micro-and nano-system technologies[J].Electrochim Acts,2001,47:3-9. |
| [12] | Schultze JW;Tsakova V .Electrochemical microsystem technologies: from fundamental research to technical systems[J].Electrochimica Acta,1999(21):3605-3627. |
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%