航天推进技术研究院主办
SONG Fan,TANG Lei,YANG Weiguo,et al.Data analysis of mechanical performance for all-position TIG joints of Ti tube[J].Journal of Rocket Propulsion,2020,46(04):97-102.
钛管全位置氩弧焊接头力学性能数据分析
- Title:
- Data analysis of mechanical performance for all-position TIG joints of Ti tube
- 文章编号:
- 1672-9374(2020)04-0097-06
- Keywords:
- Ti tube; all-position TIG; mechanical performance; base metal; fluctuation
- 分类号:
- TG456.7
- 文献标志码:
- A
- 摘要:
- 为明确工艺件来源和规格因素对焊件性能合格率的作用,对五年来44批次的钛管焊接试验历史数据进行了分析。当生产批次不同时,母材抗拉强度和冲击韧性的波动程度分别可达±19.1%和±38.1%; 当批次相同但出自不同根余料时,波动程度分别可达±6.2%和±13.6%; 焊接热过程会使性能的均值降低且波动增大,相较而言冲击韧性改变更明显。当工艺件外径逐渐增大时,母材抗拉强度均值基本恒定,而冲击韧性均值逐渐提高,且波动程度先增大后减小; 在经历相同焊接热过程后,只有小外径焊件的冲击韧性波动程度明显增大。提出了两类改进建议,一是将工艺件限定在同一根钛管上取材,二是将冲击韧性的合格指标从固定值改为与外径成正比的系列值。
- Abstract:
- In order to clarify the effect of the source and specification of process parts on the qualification rate of weld performance, the historical data of all-position TIG joints of Ti tube during recent 5 years and 44 batches were analyzed.When the production batches are different, the fluctuation of the tensile strength and impact toughness for the base metal can reach ±19.1% and ±38.1%, respectively.When the tubes are from the same batches but different roots, the fluctuations can reach ±6.2% and ±13.6%, respectively.The heat process of welding will reduce the average value of the performance and increase the fluctuation, and the impact toughness will change more obviously.When the outer diameter of the process part gradually increases, the average tensile strength of the base material is constant, while the average impact toughness gradually increases first and then decreases.After experiencing the same heat process of welding, only the impact toughness fluctuations of small-diameter weldments increase significantly.Two types of improvement suggestions are proposed.One is to limit the process parts to the same Ti tube,and the second is to change the qualification index of impact toughness from a fixed value to a serial values proportional to outer diameter.
参考文献/References:
[1] 牛睿, 朱文山, 李利亮, 等.高分五号卫星姿轨控分系统设计[J].上海航天, 2019, 36(S2): 61-66.
[2] 周剑敏, 魏懿, 曹永梅, 等.高分三号卫星控制分系统设计与在轨验证[J].航天器工程, 2017, 26(6): 93-98.
[3] 刘万龙, 牛向楠, 李全令, 等.一种姿轨控发动机地面试验控制系统设计[J].火箭推进, 2015, 41(2): 114-117.LIU W L, NIU X N, LI Q L, et al.Design of a ground test control system for attitude and orbital control engine[J].Journal of Rocket Propulsion, 2015, 41(2): 114-117.
[4] 张彤, 刘婷, 王兵骁.高压管路快速连接件设计与应用[J].火箭推进, 2017, 43(4): 76-79.ZHANG T, LIU T, WANG B X.Design and application of a quick connector for high pressure pipe[J].Journal of Rocket Propulsion, 2017, 43(4): 76-79.
[5] 孙维平, 张宇轩, 何康康.姿轨控系统高压气路全焊接结构可行性研究[J].航天制造技术, 2017(2): 23-25.
[6] 黄哲云, 丁国忠, 马俊.钛合金导管的全位置氩弧焊工艺[J].上海航天, 1999, 16(6): 56-60.
[7] 张和平.钛合金薄壁导管钨极氩弧焊工艺[J].航天工艺, 1993(5): 28-30.
[8] 刘颖, 刘志富.TA16钛合金导管的自动钨极旋转氩弧焊[J].航空制造技术, 2009(10): 117-119.
[9] 宋建岭, 张晔, 黄逸飞, 等.小直径薄壁不锈钢导管全位置TIG焊数值模拟[J].焊接技术, 2018, 47(12): 47-51.
[10] 中国航天科技集团公司第六研究院七一〇三厂.导管焊接技术要求: QJ 2865A—2014[S].北京:国家国防科技工业局,2014.
[11] 王晓光.X射线检测小径管探伤中的应用分析[J].山东工业技术, 2018(19): 125.
[12] 吉楠, 蒋浩泽, 李为卫, 等.管道环焊缝射线检测缺陷容限标准分析[J].石油管材与仪器, 2018(6): 84-88.
[13] 刘国增.钛合金导管的涡流检测[J].火箭推进, 2011, 37(3): 48-51.LIU G Z.Eddy current testing of Ti alloy ducts[J].Journal of Rocket Propulsion, 2011, 37(3): 48-51.
[14] 黄嘉琥.高压厚壁钛管对接焊工艺与焊接接头的性能试验[J].压力容器, 1984, 1(3): 44-47.
[15] 王建武, 刘军生, 陈少斌.球面型管路连接件密封性能分析及力学性能测试[J].火箭推进, 2010, 36(6): 36-41.WANG J W, LIU J S, CHEN S B.Sealing performance analysis and mechanical property testing of spherical tube connector[J].Journal of Rocket Propulsion, 2010, 36(6): 36-41.
[16] 杜大华, 穆朋刚, 田川, 等.液体火箭发动机管路断裂失效分析及动力优化[J].火箭推进, 2018, 44(3): 16-22.DU D H, MU P G, TIAN C, et al.Failure analysis and dynamics optimization of pipeline for liquid rocket engine[J].Journal of Rocket Propulsion, 2018, 44(3): 16-22.
[17] 冯钊棠, 谢仕强, 苏腾太.ERW钢管焊缝冲击韧性影响要素分析[J].焊管, 2004, 27(5): 22-24.
[18] 茹成章, 王新虎.HFW石油套管焊缝冲击韧性影响因素分析[J].热处理技术与装备, 2010, 31(6): 33-36.
[19] 任毅, 陈连鹏.J55焊管韧性及其影响因素[J].鞍钢技术, 2003(4): 29-31.
[20] 宋健, 郑医, 徐磊, 等.不锈钢导管环焊的组织与性能[J].科技创新与应用, 2014(15): 108.
备注/Memo
收稿日期:2019-12-29; 修回日期:2020-03-17
基金项目:上海市科学技术委员会资助课题(17DZ2280800)
作者简介:宋凡(1989—),男,硕士,研究领域为空间推进系统激光焊接工艺