|
|
论文:2020,Vol:38,Issue(4):873-880 |
|
|
引用本文： |
|
|
肖阳, 秦海勤, 徐可君, 王永旗. 不同保载时间下FGH96粉末高温合金疲劳-蠕变试验研究[J]. 西北工业大学学报 |
|
|
XIAO Yang, QIN Haiqin, XU Kejun, WANG Yongqi. Experimental Study on Fatigue-Creep of P/M FGH96 Superalloy with Different Holding Time[J]. Northwestern polytechnical university |
|
|
|
|
|
|
|
| 不同保载时间下FGH96粉末高温合金疲劳-蠕变试验研究 |
|
| 肖阳1, 秦海勤1, 徐可君1, 王永旗2 |
|
1. 海军航空大学青岛校区 航空机械工程与指挥系, 山东 青岛 266000;
2. 中国人民解放军 91213部队, 山东 烟台 264000 |
| 摘要: |
| 对航空发动机涡轮盘的典型材料FGH96粉末高温合金不同保载时间下的疲劳-蠕变变形特性及微观损伤机理进行了试验研究。开展了550℃下不同保载时间的低周疲劳-蠕变试验，讨论了保载时间对FGH96合金应力-应变曲线、循环应变响应、疲劳-蠕变寿命及损伤机理的影响。结果表明：保载时间对FGH96合金疲劳-蠕变变形特性有显著影响，随着保载时间的增加，非弹性应变迟滞能增大，稳态滞回曲线发生右移，包络应变及包络应变率增加，疲劳-蠕变寿命先呈指数减小后趋于平稳，蠕变损伤逐渐起主导作用。断口分析表明：保载时间的引入使得断面呈现出多裂纹源特征，断裂模式由穿晶断裂向穿晶-沿晶混合断裂转变，裂纹扩展区存在滑移带及少量韧窝，瞬断区韧窝特征明显。 |
| 关键词:
涡轮盘
粉末高温合金
疲劳-蠕变
变形特性
断口分析
|
|
| Experimental Study on Fatigue-Creep of P/M FGH96 Superalloy with Different Holding Time |
|
| XIAO Yang1, QIN Haiqin1, XU Kejun1, WANG Yongqi2 |
|
1. Department of Aviation Mechanical Engineering and Management in Qingdao Branch, Naval Aviation University, Qingdao 266000, China;
2. 91213 Troops of PLA, Yantai 264000, China |
| Abstract: |
| The fatigue-creep deformation characteristics and evolutions of microstructure of P/M superalloy FGH96 widely used for the turbine disc of an aero-engine were investigated experimentally. The low cycle fatigue-creep tests with different holding times were performed at 550℃. The influence of the holding time on the stress-strain curve, cyclic strain response, fatigue-creep life and damage mechanism were discussed. The results reveal that the holding time has a significant effect on the fatigue-creep deformation characteristics. As the holding time increases, the hysteretic energy of inelastic strain rises, the steady-state hysteresis curve shifts to the right and the envelope strain and the envelope strain rate increase. Fatigue-creep life decreases firstly exponentially and then stabilizes. The creep damage gradually plays a leading role. The fracture analysis indicates that the introduction of the holding time makes the section appear as a multi-crack source. The fracture mode changes from transgranular fracture to transgranular-intergranular mixed fracture. The slip bands and a small amount of dimples appear in the crack propagation zone and the dimple characteristics of the transient fracture zone are obvious. |
| Key words:
turbine disc
P/M superalloy
fatigue-creep
deformation characteristics
fracture analysis
|
|
| 收稿日期: 2019-10-14
修回日期:
|
| DOI: 10.1051/jnwpu/20203840873 |
| 基金项目: 国家自然科学基金（51975580）与国家自然科学基金青年基金（61803071）资助 |
| 通讯作者:
Email： |
| 作者简介: 肖阳(1991-),海军航空大学博士研究生,主要从事航空发动机结构强度与可靠性研究。
|
|
|
|
|
|
|
|
参考文献: |
|
|
[1] 吕志强. 航空发动机轮盘低周疲劳寿命预测方法研究[D]. 成都:电子科技大学, 2012 LYU Zhiqiang. Research on Low Cycle Fatigue Life Prediction Methodology of Aero-Engine Disc[D]. Chengdu:University of Electronic Science and Technology of China, 2012(in Chinese)
[2] 胡殿印, 马琦航, 高晔, 等. GH720Li镍基高温合金蠕变-疲劳试验研究[J]. 稀有金属材料与工程, 2018, 47(7):2185-2191 HU Dianyin, MA Qihang, GAO Ye, et al. Creep-Fatigue Behavior of Nickel-Based Superalloy GH720Li[J]. Rare Metal Materials and Engineering, 2018, 47(7):2185-2191(in Chinese)
[3] 佴启亮, 董建新, 张麦仓, 等. 粉末高温合金FGH97疲劳裂纹扩展行为[J]. 工程科学学报, 2016, 38(2):248-256 ER Qiliang, DONG Jianxin, ZHANG Maicang, et al. Fatigue Behavior of Powder Metallurgy Superalloy FGH97[J]. Chinese Journal of Engineering, 2016, 38(2):248-256(in Chinese)
[4] 付青峰, 杨细莲, 刘克明. 航空发动机高温材料的研究现状及展望[J]. 热处理技术与装备, 2018, 39(3):69-73 FU Qingfeng, YANG Xilian, LIU Keming. Current Status of Research and Prospect of High Temperature Materials for Aeroengine[J]. Heat Treatment Technology and Equipment, 2018, 39(3):69-73(in Chinese)
[5] 郭茂文, 刘春荣, 郑雪萍, 等. 粉末高温合金的研究现状[J]. 热加工工艺, 2017, 46(20):11-13 GUO Maowen, LIU Chunrong, ZHENG Xueping, et al. Research Status of Powder Metallurgy Superalloy[J]. Hot Working Technology, 2017, 46(20):11-13(in Chinese)
[6] 雷景富, 郑勇, 余俊, 等. 镍基粉末高温合金的研究进展[J]. 宇航材料工艺, 2011, 41(6):18-22 LEI Jingfu, ZHENG Yong, YU Jun, et al. P/M Nickel-Based Superalloy[J]. Aerospace Materials & Technology, 2011, 41(6):18-22(in Chinese)
[7] 张仁鹏, 李付国, 王晓娜. FGH96合金的热变形行为及其热加工图[J]. 西北工业大学学报, 2007, 25(5):652-656 ZHANG Renpeng, LI Fuguo, WANG Xiaona. Determining Processing Maps of FGH96 Superalloy[J]. Journal of Northwestern Polytechnicial University, 2007, 25(5):652-656(in Chinese)
[8] 聂龙飞. FGH96粉末高温合金热变形及动态再结晶演化研究[D]. 大连:大连理工大学, 2014 NIE Longfei. Study on the Hot Deformation Behavior and Dynamic Recrystallization Behavior of FGH96 P/M Superalloy[D]. Dalian:Dalian University of Technology, 2014(in Chinese)
[9] WANG Y R, WANG X C, ZHONG B, et al. Estimation of Fatigue Parameters in Total Strain Life Equation for Powder Metallurgy Superalloy FGH96 and Other Metallic Materials[J]. International Journal of Fatigue, 2019, 122:116-124
[10] ZHONG B, WANG Y R, WEI D S, et al. Multiaxial Fatigue Life Prediction for Powder Metallurgy Superalloy FGH96 Based on Stress Gradient Effect[J]. International Journal of Fatigue, 2017, 109:26-36
[11] 苗国磊, 杨晓光, 石多奇. 粉末冶金镍基高温合金FGH96高温疲劳寿命分散性特征[J]. 航空动力学报, 2017, 32(2):424-428 MIAO Guolei, YANG Xiaoguang, SHI Duoqi. Behavior of Fatigue Life Variability of Nickel-Based Powder Metallurgy Superalloy FGH96 at Elevated Temperature[J]. Journal of Aerospace Power, 2017, 32(2):424-428(in Chinese)
[12] 冯引利, 吴长波, 郜伟强. FGH96涡轮盘低循环疲劳寿命分析技术与试验[J]. 航空动力学报, 2012, 27(3):628-634 FENG Yinli, WU Changbo, GAO Weiqiang. Analysis Technology and Experiment for FGH96 Disk's LCF Life[J]. Journal of Aerospace Power, 2012, 27(3):628-634(in Chinese)
[13] 冯引利, 杨健, 吴长波. 考虑表面加工状态的粉末盘低循环疲劳寿命分析[J]. 航空动力学报, 2018, 33(2):265-272 FENG Yinli, YANG Jian, WU Changbo. Analysis of Powder Alloy Disk's Low Cycle Fatigue Life with Surface Machining Status[J]. Journal of Aerospace Power, 2018, 33(2):265-272(in Chinese)
[14] 周静怡, 刘昌奎, 赵文侠, 等. 粉末高温合金FGH96原始颗粒边界及高温原位高周疲劳研究[J]. 航空材料学报, 2017, 37(5):83-89 ZHOU Jingyi, LIU Changkui, ZHAO Wenxia, et al. Prior Particle Boundary of PM FGH96 Superalloy and Its In-Situ High-Cycle Fatigue at Elevated Temperature[J]. Journal of Aeronautical Materials, 2017, 37(5):83-89(in Chinese)
[15] NING Y Q, LI H, YAO Z K, et al. Recrystallization Characterization of FGH96 Superalloy[J]. Rare Metal Materials and Engineering, 2016, 45(5):1225-1229
[16] LIU C K, WEI Z W, ZHANG J Q, et al. Effect of Hot Deformation on PPB Precipitations and Microstructure in P/M Superalloy FGH96[J]. Journal of Aeronautical Materials, 2018, 38(3):40-45
[17] FENG Y F, ZHOU X M, ZOU J W. Effect of Cooling Rate during Quenching on the Microstructure and Creep Property of Nickel-Based Superalloy FGH96[J]. International Journal of Minerals Metallurgy and Materials, 2019, 26(4):493-499
[18] FANG B, TIAN G F, ZHEN J, et al. Study on the Thermal Deformation Behavior and Microstructure of FGH96 Heat Extrusion Alloy during Two-Pass Hot Deformation[J]. International Journal of Minerals Metallurgy and Materials, 2019, 26(5):657-663
[19] LIU H S, ZHANG L, HE X B, et al. The Precipitation Behavior of Secondary Gamma' Phase in Superalloy FGH96 during Aging Treatment[J]. High Temperature Materials and Processes, 2014, 33(5):485-488
[20] 许捷, 徐元铭, 刘新灵, 等. 夹杂物对粉末高温合金材料裂纹萌生的影响[J]. 西北工业大学学报, 2017, 35(增刊1):108-112 XU Jie, XU Yuanming, LIU Xinling, et al. Inclusion Effect on Crack Initiation of Powder Metallurgy Superalloy[J]. Journal of Northwestern Polytechnical University, 2017, 35(suppl 1):108-112(in Chinese)
[21] 徐伟. FGH96合金惯性摩擦焊接过程动态再结晶行为研究[D]. 大连:大连理工大学, 2012 XU Wei. Investigation on Dynamic Recrystallization Behavior of FGH96 Superalloy During Inertia Friction Welding Process[D]. Dalian:Dalian University of Technology, 2012(in Chinese)
[22] 刘玉红, 李付国, 李超, 等. 一种基于ANN的FGH96合金动态流动行为的电路模型[J]. 西北工业大学学报, 2004, 22(1):120-123 LIU Yuhong, LI Fuguo, LI Chao, et al. An Analog-Circuit Model of PM96 Superalloy Plasticity Behaviors for Real-Time Control during Hot Deformation[J]. Journal of Northwestern Polytechnical University, 2004, 22(1):120-123(in Chinese)
[23] CHAVOSHI S Z, JIANG J, WANG Y, et al. Density-Based Constitutive Modeling of P/M FGH96 for Powder Forging[J]. International Journal of Mechanical Sciences, 2018, 138:110-121
[24] 姚磊江, 童小燕, 吕胜利. 低周疲劳过程中的非弹性响应和热响应[J]. 西北工业大学学报, 2003, 21(1):83-86 YAO Leijiang, TONG Xiaoyan, LYU Shengli. Inelastic and Thermal Response during Low Cycle Fatigue Process[J]. Journal of Northwestern Polytechnical University, 2003, 21(1):83-86(in Chinese)
[25] 苏运来, 陆山, 杨茂, 等. 任意应力比下涡轮盘的塑性应变能寿命模型[J]. 航空动力学报, 2017, 32(4):828-834 SU Yunlai, LU Shan, YANG Mao, et al. Plastic Strain Energy-Life Model of Turbine Disk under Various Stress Ratios[J]. Journal of Aerospace Power, 2017, 32(4):828-834(in Chinese)
[26] 刘金龙, 杨晓光, 石多奇, 等. 不同保载时间作用下的定向凝固合金DZ125的高温低循环疲劳试验研究[J]. 航空材料学报, 2010, 30(5):88-92 LIU Jinlong, YANG Xiaoguang, SHI Duoqi, et al. Experimental Study on Low Cycle Fatigue of Directionally Solidified Superalloy DZ125 with Different Holding Time[J]. Journal of Aeronautical Materials, 2010, 30(5):88-92(in Chinese) |
|
|
|
|
|
|
|
