IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS
In this article,elastic-plastic curved crack tip plasticity area in hardened material under quasi-static loads has been mainly studied,and curved crack tip plasticity area has been calculated as a practical application of a second order perturbation method, where the effects of quasi-static applied...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Strength
2015-01-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2015.03.004 |
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| author | YANG DaPeng WANG JianXun ZHAO Yao |
| author_facet | YANG DaPeng WANG JianXun ZHAO Yao |
| author_sort | YANG DaPeng |
| collection | DOAJ |
| description | In this article,elastic-plastic curved crack tip plasticity area in hardened material under quasi-static loads has been mainly studied,and curved crack tip plasticity area has been calculated as a practical application of a second order perturbation method, where the effects of quasi-static applied stresses and quasi-static normal and shear stresses on the boundaries of plasticity area are synthetically taken into considerations. Projected length of elastic-plastic curved crack tip hardened plasticity area on straight crack extension line portion has been calculated by numerical solutions,diagrams have been constructed to analyse the transformation relationships between curved crack tip plasticity area size and hardening exponents.Curved crack tip plasticity area size will decrease when hardening exponents increase in hardened material. The decrease extent of curved crack tip plasticity area size will be more and more severe when hardening exponents increase evenly. Curved crack tip plasticity area size will decrease when external loads decrease with the same hardening exponents. A new theoretical model where curved crack tip plasticity area size was calculated has been established in hardened material. |
| format | Article |
| id | doaj-art-3cb9d787c34c4533aab6f5ad44e37b6e |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2015-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-3cb9d787c34c4533aab6f5ad44e37b6e2025-01-15T02:38:36ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692015-01-013755656130591895IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADSYANG DaPengWANG JianXunZHAO YaoIn this article,elastic-plastic curved crack tip plasticity area in hardened material under quasi-static loads has been mainly studied,and curved crack tip plasticity area has been calculated as a practical application of a second order perturbation method, where the effects of quasi-static applied stresses and quasi-static normal and shear stresses on the boundaries of plasticity area are synthetically taken into considerations. Projected length of elastic-plastic curved crack tip hardened plasticity area on straight crack extension line portion has been calculated by numerical solutions,diagrams have been constructed to analyse the transformation relationships between curved crack tip plasticity area size and hardening exponents.Curved crack tip plasticity area size will decrease when hardening exponents increase in hardened material. The decrease extent of curved crack tip plasticity area size will be more and more severe when hardening exponents increase evenly. Curved crack tip plasticity area size will decrease when external loads decrease with the same hardening exponents. A new theoretical model where curved crack tip plasticity area size was calculated has been established in hardened material.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2015.03.004Hardened materialCurved crackPlasticity areaQuasi-static applied stressesA second order perturbation solution |
| spellingShingle | YANG DaPeng WANG JianXun ZHAO Yao IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS Jixie qiangdu Hardened material Curved crack Plasticity area Quasi-static applied stresses A second order perturbation solution |
| title | IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS |
| title_full | IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS |
| title_fullStr | IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS |
| title_full_unstemmed | IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS |
| title_short | IMPACT OF HARDENING ON PLASTICITY AREA AT THE SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP UNDER QUASI-STATIC LOADS |
| title_sort | impact of hardening on plasticity area at the slightly curved elasticity plasticity crack tip under quasi static loads |
| topic | Hardened material Curved crack Plasticity area Quasi-static applied stresses A second order perturbation solution |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2015.03.004 |
| work_keys_str_mv | AT yangdapeng impactofhardeningonplasticityareaattheslightlycurvedelasticityplasticitycracktipunderquasistaticloads AT wangjianxun impactofhardeningonplasticityareaattheslightlycurvedelasticityplasticitycracktipunderquasistaticloads AT zhaoyao impactofhardeningonplasticityareaattheslightlycurvedelasticityplasticitycracktipunderquasistaticloads |