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纸质出版日期： 2024-06-25 ，
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孙戬，朱毅，刘清，等.T22/TP304H异种钢焊接接头性能分析与剩余寿命评估［J］.电焊机，2024，54（6）：1-6.
SUN Jian, ZHU Yi, LIU Qing, et al.Performance Analysis and Residual Life Assessment of T22/TP304H Dissimilar Steel Welded Joints[J].Electric Welding Machine, 2024, 54(6): 1-6.
异种钢焊接在亚临界锅炉中被广泛运用，其焊接接头性能会直接影响锅炉的运行安全和服役寿命。针对已服役20万小时以上的锅炉中带垫板T22/TP304H异种钢焊接接头，采用微观组织观察、常温与高温拉伸试验以及高温持久试验等方法，全面评估了焊接接头的组织形态、力学性能和耐久性。结果表明，TP304H母材及焊缝中有析出物聚集现象，易诱发焊接区域萌生裂纹；长期服役的接头拉伸强度低于ASME标准要求的最低值，力学性能出现较大程度的衰退；通过温度曲线推算法估算，焊接接头的剩余寿命为29 745 h，但其运行可靠性已显著降低，应对接头部位进行检修并加强后期巡检工作。该研究可为T22/TP304H异种钢焊接头的组织与性能研究和设备后续的安全运行提供理论参考。
Dissimilar steel welding is extensively applied in subcritical boilers
where the performance of the welded joint directly impacts the boiler's operational safety and service life. This study focuses on the T22/TP304H dissimilar steel welded joint in boilers that have been in service for over 200 000 hours
analyzing the changes in its microstructure morphology and mechanical properties. The residual life of the joint is evaluated based on high-temperature endurance test results. Findings indicate that precipitate aggregation occurs in the TP304H base material and weld
which can easily induce the initiation of cracks in the welding area. The tensile strength of long-term operational joint samples is consistently lower than the minimum value required by ASME standards
indicating a significant decline in mechanical performance. The remaining life of the joint is 29 745 hours
but its operational reliability has significantly decreased. Thus
it is recommended to inspect and repair the joint area and intensify subsequent inspection work. This paper provides a theoretical reference for the study of T22/TP304H dissimilar steel welded joint structure and properties
and the safe operation of the equipment in the future.
T22/TP304H异种钢长期服役力学性能衰退剩余寿命评估检修策略
T22/TP304H dissimilar steellong-term servicemechanical properties degradationremaining life assessmentmaintenance strateg
李敏，邓守浩，刘川槐，等. T91/TP347H异种钢焊接接头服役微观组织转变［J］. 焊接，2022（01）：14-20.
LI M，DENG S H，LIU C H ，et al. Microstructure transformation of T91/TP347H dissimilar steel welded ioint after service［J］. Welding & Joining，2022，（01）：14-20.
李新梅，张忠文，杜宝帅，等. 长期高温服役后S31042奥氏体耐热钢的微观组织［J］. 金属热处理，2019，44（04）：171-175.
LI X M，ZHANG Z W，DU B S，et al. Microstructure of S31042 austenite heat resistant steel after long-term service under high temperature［J］. Heat Treatment of Metals Heat Treat Met-UK，2019，44（04）：171-175.
Shi Z G，Ma H，Jia J M，et al. Martensite structure in TP304H austenitic stainless steel after long-term service and aging［J］. Materials at High Temperatures，2018，35（2）：1-6.
何朋非，张仁魁，周梦保. 经长时服役的超临界锅炉T91/TP347H异种钢接头性能分析［J］. 热加工工艺，2022，1-4.
HE P F，ZHANG R K，ZHOU M B. Performance of T91/TP347H Dissimilar Steel Welded Joint of Supercritical Boilerafter Long-term Service［J］. Hot Working Technology，2022，1-4.
刘川槐，沈利，曹宇，等. T91/TP347H异种钢焊接接头高温拉伸性能及本构模型［J］. 压力容器，2021，38（12）：28-34.
LIU C H，SHENG L，CAO YU，et al. Tensile mechanical properties and constitutive model of T91/TP347H dissimilar steel welded joint at elevated temperature ［J］. Pressure Vessel Technology，2021，38（12）：28-34.
范志东，张志博，徐刚，等. 长期服役后TP304H/T22型异种钢焊缝失效原因分析［J］. 热加工工艺，2019，48（17）：175-178+182.
FAN Z D，ZHANG Z B，XU G，et al. Failure Reason Analysis of TP304H/T22 Type Dissimilar Steel Weld after Serving for Long Time［J］. Hot Working Technology，2019，48（17）：175-178+182.
Mulyana C，Taufik A，Gunawan A J，et al. Quantitative analysis of microstructure deformation in accelerated creep fenomena of ferritic SA-213 T22 and austenitic SA-213 TP304H material［J］. Indonesian Journal of Applied Sciences，2014，4（3）：124-131.
胡平，王志武，李正刚. TP304H奥氏体不锈钢锅炉管长期高温运行后的组织变化分析和研究［J］. 广东电力，2010，23（05）：16-19+22.
HU P，WANG Z W，LI Z G. Analvsis and Study on Microstructure Variation of TP304H Austenitic Stainless Stee Boiler Tube after long-term Hich Temperature Using［J］. Guangdong Electric Power，2010，23（05）：16-19+22.
尤力，宋西平. 高温长时运行后T91/G102异种钢焊接接头的性能及剩余寿命［J］. 机械工程材料，2012，36（10）：8-11+49.
YOU L，SONG X P. Properties and Remaining Life of T91/G102 Dissimilar Steels Welded Joint after Running for long Time Periods at Hich Temperature［J］. Materials for Mechanical Engineering，2012，36（10）：8-11+49.
赵彦芬，周江，赵林松，等. TP304H/SA213T22异种钢焊口的状态检测与寿命评估［J］. 热力发电，2005，（10）：79-82+88+7.
ZHAO Y F，ZHOU J，ZHAO L S，et al. Condition Detection and Life Evaluation of TP304H/SA213T22 Heterogeneous Steel Welded Joint［J］. Thermal Power Generation，2005，（10）：79-82+88+7.
盛澍，龚宏强，张平. 长时间服役12Cr1MoVG钢焊接接头组织与剩余寿命评估研究［J］. 焊接技术，2020，49（S1）：112-115.
SHENG S，GONG H Q，ZHANG P. Study on the microstructure and residual life assessment of welded joints of 12Cr1MoVG steel in long-term service［J］. Welding Technique，2020，49（S1）：112-115.
Wang Z，Gui Z，Wu J，et al. Microstructure and high-temperature mechanical properties of Inconel 718 superalloy weldment affected by fast-frequency pulsed TIG welding［J］. Journal of Manufacturing Processes，2023，89：338-348.
刘光银，黄健康，于晓全，等. 不同预边堆焊过渡层对12Cr2Mo1R/S30408接头组织与性能的影响［J］. 材料导报，2022，36（12）：145-149.
LIU G Y，HUANG J K，YU X Q，et al. Influence of Different Pre⁃edge Surfacing Transition Layers on the Structure and Properties of 12Cr2Mo1R/S30408 Joint［J］. Materials Reports，2022，36（12）：145-149.
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