China Mechanical Engineering ›› 2025, Vol. 36 ›› Issue (8): 1740-1748.DOI: 10.3969/j.issn.1004-132X.2025.08.009
Sizhu ZHOU(), Qiongyao XIANG, Yun ZENG(
)
Received:
2024-03-15
Online:
2025-08-25
Published:
2025-09-18
Contact:
Yun ZENG
通讯作者:
曾云
作者简介:
周思柱,男,1963 年生,教授、博士。研究方向为石油机械现代设计技术与方法。zhsz@yangtzeu.edu.cn。基金资助:
CLC Number:
Sizhu ZHOU, Qiongyao XIANG, Yun ZENG. Fatigue Cumulative Damage Model Considering Dynamic Memory Properties of Materials[J]. China Mechanical Engineering, 2025, 36(8): 1740-1748.
周思柱, 向琼垚, 曾云. 考虑材料动态记忆特性的疲劳累积损伤模型[J]. 中国机械工程, 2025, 36(8): 1740-1748.
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URL: https://www.cmemo.org.cn/EN/10.3969/j.issn.1004-132X.2025.08.009
编号 | 模型 | 载荷效应系数 | |||||
---|---|---|---|---|---|---|---|
低⁃高加载 | 高⁃低加载 | ||||||
1 | Miner法则[ | ||||||
2 | Corten模型[ | ||||||
3 | Kwofie模型[ | ||||||
4 | 文献[ | ||||||
5 | 本文改进模型 |
Tab.1 Comparison of load effect coefficients of five models under different loading modes
编号 | 模型 | 载荷效应系数 | |||||
---|---|---|---|---|---|---|---|
低⁃高加载 | 高⁃低加载 | ||||||
1 | Miner法则[ | ||||||
2 | Corten模型[ | ||||||
3 | Kwofie模型[ | ||||||
4 | 文献[ | ||||||
5 | 本文改进模型 |
材料 | 30NiCrMoV12 | 30CrMnSiA |
---|---|---|
弹性模量/GPa | 210 | 210 |
泊松比 | 0.28 | 0.3 |
密度/(kg·m-3) | 7850 | 7850 |
Tab.2 Mechanical property parameters of two materials
材料 | 30NiCrMoV12 | 30CrMnSiA |
---|---|---|
弹性模量/GPa | 210 | 210 |
泊松比 | 0.28 | 0.3 |
密度/(kg·m-3) | 7850 | 7850 |
材料 | 30NiCrMoV12 | 30CrMnSiA | |||||
---|---|---|---|---|---|---|---|
加载/MPa | 485 | 465 | 450 | 420 | 400 | 586 | 482 |
应力/MPa | 494.11 | 473.74 | 458.45 | 427.9 | 407.51 | 596.85 | 490.93 |
应变 | 2.3529 | 2.2559 | 2.1831 | 2.0376 | 1.9405 | 2.8421 | 2.3377 |
Tab.3 The stress and strain results of numerical simulation of two kinds of material tensile parts
材料 | 30NiCrMoV12 | 30CrMnSiA | |||||
---|---|---|---|---|---|---|---|
加载/MPa | 485 | 465 | 450 | 420 | 400 | 586 | 482 |
应力/MPa | 494.11 | 473.74 | 458.45 | 427.9 | 407.51 | 596.85 | 490.93 |
应变 | 2.3529 | 2.2559 | 2.1831 | 2.0376 | 1.9405 | 2.8421 | 2.3377 |
加载次序 | 应力 | 编号 | 循环次数 | |||
---|---|---|---|---|---|---|
n1 | 实验结果 | 本模型计算值 | 仿真计算值 | |||
n2 | ||||||
高-低加载 | 1 | 12 750 | 52 306 | 41 248 | 53 288 | |
2 | 28 500 | 45 774 | 27 498 | 46 634 | ||
3 | 41 250 | 16 035 | 13 749 | 16 336 | ||
4 | 18 016 | 66 854 | 51 040 | 68 111 | ||
5 | 35 028 | 29 614 | 34 026 | 30 171 | ||
6 | 52 121 | 37 221 | 17 013 | 37 921 | ||
7 | 19 081 | 79 354 | 60 247 | 80 844 | ||
8 | 41 165 | 23 910 | 40 165 | 24 359 | ||
9 | 59 907 | 16 035 | 20 082 | 16 336 | ||
低-高加载 | 10 | 37 056 | 52 950 | 109 310 | 51 955 | |
11 | 74 040 | 44 975 | 72 879 | 44 130 | ||
12 | 108 890 | 47 090 | 36 439 | 46 205 | ||
13 | 28 230 | 58 635 | 85 407 | 57 533 | ||
14 | 55 982 | 57 015 | 56 938 | 55 943 | ||
15 | 85 835 | 49 168 | 28 469 | 48 244 | ||
16 | 27 969 | 71 031 | 85 407 | 69 697 | ||
17 | 56 989 | 38 963 | 56 938 | 38 231 | ||
18 | 84 975 | 11 025 | 28 469 | 10 818 |
Tab.4 Experimental observation results of 30NiCrMoV12 steel under two-stage loading condition
加载次序 | 应力 | 编号 | 循环次数 | |||
---|---|---|---|---|---|---|
n1 | 实验结果 | 本模型计算值 | 仿真计算值 | |||
n2 | ||||||
高-低加载 | 1 | 12 750 | 52 306 | 41 248 | 53 288 | |
2 | 28 500 | 45 774 | 27 498 | 46 634 | ||
3 | 41 250 | 16 035 | 13 749 | 16 336 | ||
4 | 18 016 | 66 854 | 51 040 | 68 111 | ||
5 | 35 028 | 29 614 | 34 026 | 30 171 | ||
6 | 52 121 | 37 221 | 17 013 | 37 921 | ||
7 | 19 081 | 79 354 | 60 247 | 80 844 | ||
8 | 41 165 | 23 910 | 40 165 | 24 359 | ||
9 | 59 907 | 16 035 | 20 082 | 16 336 | ||
低-高加载 | 10 | 37 056 | 52 950 | 109 310 | 51 955 | |
11 | 74 040 | 44 975 | 72 879 | 44 130 | ||
12 | 108 890 | 47 090 | 36 439 | 46 205 | ||
13 | 28 230 | 58 635 | 85 407 | 57 533 | ||
14 | 55 982 | 57 015 | 56 938 | 55 943 | ||
15 | 85 835 | 49 168 | 28 469 | 48 244 | ||
16 | 27 969 | 71 031 | 85 407 | 69 697 | ||
17 | 56 989 | 38 963 | 56 938 | 38 231 | ||
18 | 84 975 | 11 025 | 28 469 | 10 818 |
加载次序 | 应力 | 编号 | 循环次数 | |||
---|---|---|---|---|---|---|
n1 | 实验结果 | 本模型计算值 | 仿真计算值 | |||
n2 | ||||||
高-低加载 | 1 | 1200 | 36 911 | 40 185 | 37 594 | |
2 | 1800 | 32 450 | 38 185 | 33 051 | ||
3 | 3000 | 16 002 | 28 184 | 16 298 | ||
4 | 5000 | 6969 | 18 183 | 7098 | ||
低-高加载 | 5 | 13 000 | 6602 | 8183 | 6480 | |
6 | 15 000 | 6501 | 4531 | 6381 | ||
7 | 25 000 | 5400 | 3932 | 5300 | ||
8 | 35 000 | 4428 | 2733 | 4346 | ||
9 | 45 000 | 3254 | 734 | 3194 |
Tab.5 Experimental observation results of 30CrMnSiA steel under two-stage loading condition
加载次序 | 应力 | 编号 | 循环次数 | |||
---|---|---|---|---|---|---|
n1 | 实验结果 | 本模型计算值 | 仿真计算值 | |||
n2 | ||||||
高-低加载 | 1 | 1200 | 36 911 | 40 185 | 37 594 | |
2 | 1800 | 32 450 | 38 185 | 33 051 | ||
3 | 3000 | 16 002 | 28 184 | 16 298 | ||
4 | 5000 | 6969 | 18 183 | 7098 | ||
低-高加载 | 5 | 13 000 | 6602 | 8183 | 6480 | |
6 | 15 000 | 6501 | 4531 | 6381 | ||
7 | 25 000 | 5400 | 3932 | 5300 | ||
8 | 35 000 | 4428 | 2733 | 4346 | ||
9 | 45 000 | 3254 | 734 | 3194 |
加载次序 | 应力 | 编号 | 循环次数 | ||
---|---|---|---|---|---|
n1 | 实际寿命 | 本模型预测值 | |||
n2 | |||||
高-低加载 | 1 | 3300 | 2019 600 | 1623 379 | |
2 | 3300 | 2027 520 | 1623 379 | ||
3 | 3300 | 2890 800 | 1623 379 | ||
4 | 3300 | 1642 080 | 1623 379 | ||
5 | 3300 | 2117 280 | 1623 379 | ||
6 | 3300 | 1615 680 | 1623 379 | ||
7 | 3300 | 1547 040 | 1623 379 | ||
8 | 3300 | 2164 800 | 1623 379 | ||
9 | 3300 | 1953 600 | 1623 379 |
Tab.6 Comparison of the actual life and theoretical life of the pump head under actual working conditions(two⁃stage loading)
加载次序 | 应力 | 编号 | 循环次数 | ||
---|---|---|---|---|---|
n1 | 实际寿命 | 本模型预测值 | |||
n2 | |||||
高-低加载 | 1 | 3300 | 2019 600 | 1623 379 | |
2 | 3300 | 2027 520 | 1623 379 | ||
3 | 3300 | 2890 800 | 1623 379 | ||
4 | 3300 | 1642 080 | 1623 379 | ||
5 | 3300 | 2117 280 | 1623 379 | ||
6 | 3300 | 1615 680 | 1623 379 | ||
7 | 3300 | 1547 040 | 1623 379 | ||
8 | 3300 | 2164 800 | 1623 379 | ||
9 | 3300 | 1953 600 | 1623 379 |
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