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赖焕生

赖焕生 副教授

电子邮箱：laihsh@mail.sysu.edu.cn

研究领域：1. 核电结构完整性，特别是与蠕变和疲劳相关的强度、损伤与裂纹扩展等；
2. 单应力小冲杆测试方法研究各向异性材料或结构的力学性能，包括拉伸、蠕变、疲劳、裂纹扩展和韧脆转变温度等。

个人资料

 

教育经历

2010-2015，中央大学（韩国），工学博士，固体/材料；

2007-2010，华东理工大学，工学硕士，化工过程机械；

2003-2007，福州大学，工学学士，过程装备与控制工程。

 

工作经历

2019-至今，中山大学中法核工程与技术学院，副教授；

2016-2019，福州大学石油化工学院，旗山学者引进副教授；

2015-2016，中央大学（韩国）高温断裂力学研究室，博士后研究员。

 

研究成果

  1. 长期从事和推动核级HDPE管在核电的运用，研发了国内首套HDPE管耐氯氧化测试系统；
  2. 原创微试样的单应力小冲杆测试方法研究核燃料包壳管等各向异性结构或材料的力学性能；

  3. 基于研究成果，实现单应力小冲杆试验机等的成果转化和产品化，制定了团体标准一项，正在制定相关国家标准。

    诚挚邀请各位同学报考研究生，热烈欢迎博士后加入团队，共同促进单应力小冲杆测试方法的研究及标准制定，请联系邮箱：laihsh@mail.sysu.edu.cn

 

主持科研项目

  1. 国家自然科学基金委员会面上项目, 核电用HDPE管焊接接头耐氯氧化长期蠕变寿命预测研究, 2023-2026, 在研, 主持;
  2. 中国核动力研究设计院, 微小试样蠕变试验, 2026-2027, 在研, 主持;
  3. 中广核工程有限公司, HDPE管道老化试验, 2025-2026,在研, 主持;
  4. 横向, 国产抗氯检测设备研发, 2025-2026, 在研, 主持;
  5. 广东省自然科学基金面上项目, 核电用HDPE管热熔焊接接头长期蠕变寿命快速评价方法研究, 2023-2026, 在研, 主持;
  6. 横向, 核材料高温小冲杆试验机研发, 2025-2026, 结题, 主持;
  7. 中国核动力研究设计院, 包壳材料力学新型表征技术研究, 2025-2026, 结题, 主持;
  8. 横向, 中广核山东招远核电厂一期工程, 2025-2025, 结题, 主持;
  9. 横向, HDPE管耐氯氧化测试仪研发, 2023-2025, 结题, 主持;
  10. 横向, 核电厂高密度聚乙烯喷嘴管排抗震优化分析, 2024-2024, 结题, 主持;
  11. 横向, 核电厂高密度聚乙烯喷嘴管排抗震分析, 2024-2024, 结题, 主持;
  12. 中国核动力研究设计院, 温冷轧FeCrAl管材高温拉伸与蠕变性能测试, 2022-2023, 结题, 主持;
  13. 江苏省工业装备数字制造及控制技术重点实验室开放研究基金, 铅铋腐蚀环境下P91钢的疲劳-蠕变行为研究, 2022-2023, 结题, 主持;
  14. 横向, 核电厂高密度聚乙烯喷嘴管排抗震分析, 2023-2023, 结题, 主持；
  15. 横向, 泵体激光焊接疲劳寿命研究, 2021-2022, 结题, 主持;
  16. 国家自然科学基金委员会青年项目, 基于延性耗竭的蠕变损伤模型预测含缺陷聚乙烯管接头长期性能, 2018-2020, 结题, 主持;
  17. 横向, 核电用HDPE管耐氯氧化寿命研究, 2020-2021, 结题, 主持;
  18. 福建省教育厅项目, 含缺陷中密度聚乙烯管寿命研究, 2017-2019, 结题，主持;
  19. 福州大学旗山学者项目, 功能梯度材料蠕变裂纹扩展参数的研究, 2016-2019, 结题，主持。

 

主要学术论文

  1. Wen Q, Zeng S, Lai HS*, et al. Study on the circumferential tensile properties of Zr-4 alloy cladding tubes using single-stress small punch test. Int J Pres Ves Pip. 2026; 222: 105789.
  2. 钟运涛，赖焕生，等．Cr涂层表面改性锆合金包壳管单应力小冲杆环向蠕变试验方法．中国核学会，团体标准，T/CNS 145—2025，2025．
  3. Wang R, Lai HS*, et al. A modified small punch test to investigate tensile properties. Theor Appl Fract Mec. 2025; 136: 104846.
  4. Zeng S, Du P, Lai HS*, et al. Study on the axial tensile properties of cladding tubes using a modified small punch test. Int J Press Ves Pip. 2025; 215: 105469.
  5. Zhong Y, Lai HS*, et al. Small punch test for investigating circumferential creep in cladding tubes. Int J Mech Sci. 2024; 267: 109001.
  6. Jiang X, Du P*, Li M, Lai HS*, et al. Investigating effects of element composition on the microstructure and mechanical properties of three types FeCrAl alloys through small punch test. Mater Design. 2024; 238: 112712.
  7. Jiang X, Bai J, Guo J, Lai HS*. Exploring the creep and oxidation behaviors of four types of Fecal alloys through small punch test at 600ºC: Experiments and simulations. J Mater Res Technol. 2023; 27: 733–756.
  8. Jiang X, Wang R, Lai HS*. Effects of pre-deformation and annealing on the mechanical properties and microstructure of miniaturized FeCrAl-Y-Si alloys. J Alloy Compd. 2023; 969: 172224.
  9. Lai HS, et al. A modified small punch testing scheme to investigate the circumferential mechanical behavior of nuclear fuel cladding tubes. J Nucl Mater. 2023; 583: 154517.
  10. Lai HS, et al. Using tube specimen to investigate the creep behavior of FeCrAl fuel cladding tubes. Eng Fract Mech. 2023; 284: 109253.
  11. Lai HS*, et al. Determination of fracture toughness through small punch test of notched-tube specimen. Eng Fract Mech. 2023; 279: 109059.
  12. Zhong Y, Du P, Chen Y, Zhou J, Lai HS*, Zhang R*. Axial creep behavior of FeCrAl nuclear cladding tubes at a temperature of 600ºC. J Mater Res Technol. 2025； 37: 841–850.
  13. Bai C, Lin R, Lai HS*. Investigation of creep behavior of HDPE pipe butt fusion welded joints using a stepped isostress method. Polymers. 2024; 16: 1803.
  14. Guo J, Tang C, Wang F, Liu K, Zhang J, Lai HS*. Creep behaviour of Q245R steel at 550ºC. Mater High Temp. 2023; 40(3): 210–217. 
  15. Chen S, Lai HS*, et al. Study on the creep properties of butt fusion–welded joints of HDPE pipes using the nanoindentation test. Weld World. 2022; 66: 135–144.
  16. Lai HS, et al. Effect of rolling deformation on creep properties of FeCrAl alloys. Front in Energy Res. 2021; 9: 663578.
  17. Lai HS, et al. Estimation of the creep crack-tip stress field considering the effect of threshold stress. Int J Pres Ves Pip. 2021; 192: 104394.
  18. Lai HS, et al. The effect of threshold stress on the high-temperature fracture parameter. Mater High Temp. 2020; 37(1): 32-42.
  19. Guo JQ, Fan DS, Lai HS*, et al. Novel method to increase the buckling pressure of cylindrical shells under external pressure. Measurement. 2019; 136: 438-444.
  20. Zhang Y, Li Y, Lai HS*, et al. Acoustic emission response and damage process for Q235 steel in an in situ tensile test. Arch Acoust. 2019; 44(4): 807-813.
  21. Lai HS, et al. Effects of the threshold stress and load level on the values of h1 for the estimation of C*. Mater High Temp. 2019; 36(4): 335-343.
  22. Sun Y, Jia YF, Haroon M, Lai HS, et al. Welding residual stress in HDPE pipes: measurement and numerical simulation. J Press Vess-T ASME. 2019; 141(4): 41404.
  23. Huang LH, Lai HS*, et al. A novel method to predict the low-cycle fatigue life. J Fail Anal and Preven. 2018; 18: 1484-1489.
  24. Lai HS, et al, Estimation of C* including the effect of threshold stress. Eng Fract Mech. 2018; 191: 403-411.
  25. Lai HS, Liu KL. Relationships between the proportional law and the charts used in ASME VIII-1and EN13445-3 for designing shells and tubes under external pressure. J Press Vess-T ASME. 2017; 139 (4): 041101-1-6. 
  26. Lai HS, Yoon KB. Estimation of C(t) and the creep crack tip stress field of functionally graded materials and verification via finite element analysis. Compos Struct. 2016; 153: 728-737.
  27. Lai HS. Estimation of Ct of functionally graded materials under small scale creep stage. Compos Struct. 2016; 138: 352-360.
  28. Lai HS, Yoon KB. Study on the estimation of high temperature fracture parameter for mismatched weld creep cracks. Eng Fract Mech. 2016; 163: 117-129.
  29. Lai HS, et al. Effects of defects on the failure of butt fusion welded polyethylene pipe. Int J Pres Ves Pip. 2016; 139-140: 117-122.
  30. Lai HS, et al. Effects of defects on the burst failure of butt fusion welded polyethylene pipes. J Mech Sci Technol. 2016; 30 (5): 1973-1981.
  31. Lai HS, et al. Estimation of Ct for weld cracks including HAZ softening region. Mater High Temp. 2016; 33 (6): 596-603.
  32. Lai HS, et al. Effects of defect size on failure of butt fusion welded MDPE pipe under tension. J Mech Sci Technol. 2015; 29 (5): 1973-1980.

 

专利

(1) 赖焕生; 杜沛南; 钟运涛; 张瑞谦; 各项异性材料断裂韧性与韧脆转变温度的小冲杆测试方法, 2023, CN202311526002.X;
(2) 赖焕生; 单应力小冲杆疲劳试验装置, 2023, CN202311438227.X;
(3) 赖焕生; 基于小冲杆试验测试核燃料包壳管周向拉伸性能的方法, 2023, CN202310554344.6;
(4) 赖焕生; 汪溶城; 研究燃料包壳管轴向和周向蠕变的小冲杆试验装置及方法, 2023, CN202310554355.4;
(5) 赖焕生; 塑料管寿命测试方法及其装置, 2025, CN202512009354.3;
(6) 赖焕生; 段颉颃; 范登帅; 林榕; 童晨垚; 双电源开关的转换机构, 2025, 201911138891.6;
(7) 赖焕生; 一种用于测试塑料管在高温内压流体的耐氯氧化的系统, 2025, ZL 202422253336.0。