采用复合高能喷丸提高工业纯钛的疲劳性能
Improvement of Fatigue Performance for Commercial Pure Titanium by Combined High-Energy Shot Peening
摘 要
为提高工业纯钛的疲劳性能,首先采用大尺寸弹丸对纯钛表面进行高能喷丸,制备出一定深度的纳米表层,然后采用小尺寸弹丸进行表面修整喷丸;对复合高能喷丸纯钛的表面质量、疲劳强度及疲劳断口形貌进行了分析、测定,并与单纯高能喷丸及未喷丸的进行了对比.结果表明:采用复合高能喷丸可以有效解决工业纯钛高能喷丸造成的表面损伤、粗糙度高等问题,从而显著提高纯钛的疲劳强度,比未喷丸试样的提高了约52.3%,比单纯高能喷丸试样的提高了13.6%.
工业纯钛
表面质量
疲劳强度
combined high-energy shot peening
commercial pure titanium
surface quality
fatigue strength
Abstract
In order to improve the fatigue performance of pure Ti,firstly,nano-crystallization in surface layer of pure titanium was carried out by high-energy shot peening with shots in big diameter,and then the shot peening with shots in small diameter was introduced to degrade the surface damage.Took determination to the surface quality of combined shot peening,fatigue strength and fatigue fracture morphology.Then compared the results to the high-energy shot peening with pure and unpeened sample.The results show that the combined high-energy shot peening on surface layer of pure titanium could effectively ameliorate the surface damage and high roughness which were caused by high-energy shot peening,thus the fatigue strength of pure titanium significantly.Comparing with the unpeened samples the fatigue strength of the samples by combined high-energy shot peening increased by 52.3% and comparing with the high-energy shot peening the fatigue strength was relatively increased by 13.6%.
中图分类号 TG113.11
所属栏目 新材料 新工艺
基金项目 辽宁省自然科学基金资助项目(20022115);大连市科技基金资助项目(大科技发[2002]114)
收稿日期 2008/12/1
修改稿日期 2009/6/21
网络出版日期
作者单位点击查看
备注温爱玲(1961-),女,山东招远人,副教授,博士研究生.
引用该论文: WEN Ai-ling,WANG Sheng-wu,YANG Jun-yong,REN Rui-ming. Improvement of Fatigue Performance for Commercial Pure Titanium by Combined High-Energy Shot Peening[J]. Materials for mechancial engineering, 2010, 34(1): 55～57
温爱玲,王生武,杨军永,任瑞铭. 采用复合高能喷丸提高工业纯钛的疲劳性能[J]. 机械工程材料, 2010, 34(1): 55～57
被引情况:
【1】温爱玲,于文夫,王生武,闫秀侠, "复合喷丸提高等轴状TC4钛合金的疲劳性能",理化检验－物理分册 48, 504-507(2012)
【2】姜勇,巩建鸣,汤鹏杰,余果, "精对苯二甲酸生产装置中TA2螺柱的断裂原因",机械工程材料 39, 103-106(2015)
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参考文献
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【2】曹扬,陈光,颜银标.钢铁材料表面自身纳米晶化及其应用前景[J].钢铁研究学报,2005,17(2):3-8.
【3】VILLEGAS J.Enhanced fatigue resistance of a nickel-based Hastelloy induced by a surface nanocrystallization and hardening process[J].Phil Mag Lett,2005,85(8):427-438.
【4】李东,陈怀宁,刘刚,等.SS400钢对接接头表面纳米化及其对疲劳强度的影响[J].焊接学报,2002,23(2):25-28.
【5】TODAKA K.Formation of nanocrystalline structure in steels by air blast shot peening and particle impact processing[J].Mater Sci Forum,2004,449/452:1149-1152.
【6】TODAKA Y,UMEMOTO M,TSUCHIYA K.Comparison of nanocrystalline surface layer in steels formed by air blast and ultrasonic shot peening[J].Mater Trans,2004,45(2):376-379.
【7】张建斌,马勤,季根顺,等.表面机械强化工业纯钛疲劳性能的研究[J].航空材料学报,2001,21(3):46-50.
【8】张建斌,马勤,周琦,等.表面强化对工业纯钛显微组织的影响[J].中国有色金属学报,2001,11(6):1037-1040.
【9】WEN Ai-ling,REN Rui-ming,WANG Sheng-wu.Effect of surface nano-crystallization on microstructure and mechanic properties of commercial pure titanium[J].Key Engineering Materials,2004,261/263:1605-1610.
【10】陈春焕,任瑞铭,赵秀娟,等.工业纯钛高能喷丸表面纳米化的研究[J].中国有色金属,2004,14(增刊1):215-218.
【11】邱诗龙,任瑞铭,王生武.高能喷丸表面纳米化对工业纯钛疲劳性能的影响[J].金属热处理,2005,30(增刊1):282-285.
【12】温爱玲,王生武,杨军勇.高能喷丸表面纳米化对纯钛旋转弯曲疲劳性能的影响[J].材料开发与应用,2007,22(4):11-14.
【13】张志建,姚枚,李金魁,等.喷丸强化件表象疲劳极限优化研究[J].机械工程材料,2003,27(10):7-10.
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