{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T16:34:59Z","timestamp":1785429299676,"version":"3.56.0"},"reference-count":36,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2026,4,23]],"date-time":"2026-04-23T00:00:00Z","timestamp":1776902400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["52105162"],"award-info":[{"award-number":["52105162"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["52075490"],"award-info":[{"award-number":["52075490"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["52175368"],"award-info":[{"award-number":["52175368"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"award":["52105162"],"award-info":[{"award-number":["52105162"]}],"id":[{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]},{"award":["52075490"],"award-info":[{"award-number":["52075490"]}],"id":[{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]},{"award":["52175368"],"award-info":[{"award-number":["52175368"]}],"id":[{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Residual stress is an inherent consequence of the welding process and can significantly compromise the structural integrity of welded components. To clarify the high-temperature creep damage evolution of the 600 MPa-grade ship hull structural steel base metal, high-temperature creep tests were conducted, aiming to improve the understanding of its deformation behavior and to support reliable numerical predictions. The experimentally calibrated creep constitutive model was subsequently integrated into finite element simulations to analyze the residual stress evolution in welded joints and to quantitatively evaluate the effects of post-weld heat treatment (PWHT) and hammer peening. The results indicted that, within 450\u2013550 \u00b0C, creep deformation of the steel was dominated by dislocation glide and climb, while creep damage was mainly associated with void and crack formation. The simulation results revealed that residual stresses were predominantly concentrated in the weld metal and the heat-affected zone, with the peak von Mises stress in the as-welded joint reaching 686.5 MPa, exceeding the material\u2019s yield strength at the simulated temperature. PWHT exhibited superior stress-relief effectiveness compared with hammer peening, markedly reducing the peak residual stress. Moreover, the stress-relief behavior showed a nonlinear dependence on both holding time and heat-treatment temperature. In contrast, hammer peening produced a localized stress-relief effect, confined primarily to the mechanically impacted region. These findings provided a theoretical foundation for optimizing post-weld treatment strategies to mitigate residual stress in the high strength steel welded joints.<\/jats:p>","DOI":"10.3390\/ma19091696","type":"journal-article","created":{"date-parts":[[2026,4,23]],"date-time":"2026-04-23T08:11:14Z","timestamp":1776931874000},"page":"1696","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Residual Stress Relief in High-Strength Steel Welded Joints: Creep-Based Material Modeling and Post-Weld Treatment Simulation"],"prefix":"10.3390","volume":"19","author":[{"given":"Penglong","family":"Ding","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China"},{"name":"Luoyang Ship Material Research Institute, Luoyang 471023, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Silu","family":"Zheng","sequence":"additional","affiliation":[{"name":"Institute of Process Equipment and Control Engineering, College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiahe","family":"Zhou","sequence":"additional","affiliation":[{"name":"Institute of Process Equipment and Control Engineering, College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiatao","family":"Tang","sequence":"additional","affiliation":[{"name":"Zhejiang Academy of Special Equipment Science, Hangzhou 310020, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huina","family":"Shan","sequence":"additional","affiliation":[{"name":"Zhejiang Academy of Special Equipment Science, Hangzhou 310020, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuanyang","family":"Lu","sequence":"additional","affiliation":[{"name":"Institute of Process Equipment and Control Engineering, College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5033-666X","authenticated-orcid":false,"given":"Wenjian","family":"Zheng","sequence":"additional","affiliation":[{"name":"Institute of Process Equipment and Control Engineering, College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuhui","family":"Gong","sequence":"additional","affiliation":[{"name":"Luoyang Ship Material Research Institute, Luoyang 471023, China"},{"name":"National Key Laboratory of Marine Corrosion and Protection, Luoyang 471000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiajia","family":"Niu","sequence":"additional","affiliation":[{"name":"Luoyang Ship Material Research Institute, Luoyang 471023, China"},{"name":"National Key Laboratory of Marine Corrosion and Protection, Luoyang 471000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lianyong","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"130738","DOI":"10.1016\/j.matchemphys.2025.130738","article-title":"Experimental and numerical investigation of the welding impact on residual stresses of the joint region of ASTM-A36 marine steel","volume":"339","author":"Nickabadi","year":"2025","journal-title":"Mater. 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