通过冷镦实验和扫描电镜、光学显微镜手段,研究了BT16钛合金棒材表面粗糙度和压缩率对冷镦性能及压缩试样侧表面微裂纹的影响.结果表明:轧制退火态BT16钛合金具有细等轴α+β晶粒组织和良好的冷镦性能.随压缩率和表面粗糙度增加,侧表面微裂纹逐渐增加.当压缩率为75％时,冷镦试样和螺栓侧表面没有任何宏观裂纹,但在高倍电镜下可清楚地观察到侧表面微裂纹,其特征完全区别于一般宏观裂纹.评价了冷镦紧固件表面质量以及表面粗糙度、侧表面微裂纹和压缩率之间的关系.
参考文献
| [1] | Ferrero J G .[J].Journal of Materials Engineering and Performance,2005,14(06):691. |
| [2] | 张庆玲,王庆如,李兴无.航空用钛合金紧固件选材分析[J].材料工程,2007(01):11-14,18. |
| [3] | Skvortsov A A;Khabarov V P .[J].Metallovedenie i Termicheskaya Obrabotka Metallov,1988,10:56. |
| [4] | Li X W;Lu M X;Sha A X et al.[J].Materials Science and Engineering,2008,A490:193. |
| [5] | 马琴琴,郑为为,李兴无.TC16钛合金不同退火制度的显微组织研究[J].材料工程,2009(01):19-22. |
| [6] | Zong YY;Shan DB;Lu Y .Microstructural evolution of a Ti-4.5Al-3Mo-1V alloy during hot working[J].Journal of Materials Science,2006(12):3753-3760. |
| [7] | 吴崇周.热镦对TC16钛合金组织和性能的影响[J].宇航材料工艺,2007(03):61-64. |
| [8] | 沙爱学,王庆如,李兴无.BT16钛合金紧固件加工工艺分析[J].稀有金属材料与工程,2006(03):455-458. |
| [9] | Wu G Q;Sha W .[J].JOM-Journal of the Minerals Metals and Materials Society,2009,61(05):51. |
| [10] | Wang B F;Yang Y .[J].Materials Science and Engineering,2008,A473:306. |
| [11] | Zhang Z G;Wu G Q;Song H et al.[J].Materials Science and Engineering,2008,A487:488. |
| [12] | Cem S. Cetinarslan;Mumin Sahin .Determining the influence of surface roughness on materials flow of various materials using grid lines during cold forming[J].Industrial Lubrication and Tribology,2010(1):4-11. |
| [13] | Shabara M A;EI-Domiaty A A;Kandil A .[J].Journal of Materials Engineering and Performance,1996,5:478. |
| [14] | Shan Jami J;Kuhn Howard A .[J].Journal of Applied Metal Working,1986,4(03):255. |
| [15] | Narayana Murty S V S;Nageswara Rao B;Kashyap B P .[J].Journal of Materials Processing Technology,2004,147:94. |
| [16] | Pavlov V F;Minin B V;Petrikov V G .[J].Metallovedenie i Termicheskaya Obrabotka Metallov,1990,1:9. |
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