International Journal of Damage Mechanics最新文献_第9页

A nonlinear rheological shear constitutive model of bolted joints considering initial damage and damage evolution 考虑初始损伤和损伤演化的螺栓连接非线性流变剪切本构模型

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-06-29 DOI: 10.1177/10567895231183468

Xing Zhang, Hang Lin, Huihua Hu, Yanhui Cheng, Wanyi Zhang

{"title":"A nonlinear rheological shear constitutive model of bolted joints considering initial damage and damage evolution","authors":"Xing Zhang, Hang Lin, Huihua Hu, Yanhui Cheng, Wanyi Zhang","doi":"10.1177/10567895231183468","DOIUrl":"https://doi.org/10.1177/10567895231183468","url":null,"abstract":"Understanding the shear mechanics mechanism of bolted joints is of great significance for predicting and preventing geological disasters. Most current studies seldom consider the rheological effects of bolted joints. In this paper, a comprehensive rheological constitutive model is proposed, accounting for initial damage and damage evolution across different rheological stages and bolt characteristics. The model incorporates an elastoplastic Hooke body for instantaneous deformation, parametric nonlinear Kelvin and viscous models for attenuation and steady creep stages, and a visco-plastic model based on time-dependent shear strength for accelerated creep stage. Additionally, a bolt-rock cooperative deformation model is introduced, considering the evolution of the bolt's elastic modulus. The resulting elasto-viscoplastic constitutive model effectively describes the shear rheological behavior of bolted joints, with its validity and superiority demonstrated through comparisons with shear creep tests and the Maxwell model. This research aims to provide valuable theoretical guidance for the construction and reinforcement of rock mass engineering projects.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"1077 - 1098"},"PeriodicalIF":4.2,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47504220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Application of continuum damage mechanics in fatigue assessment of A516 steel specimens considering residual stresses 连续损伤力学在考虑残余应力的A516钢疲劳评定中的应用

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-06-24 DOI: 10.1177/10567895231183465

M. Attarha, I. Sattari-far, I. Sattarifar

{"title":"Application of continuum damage mechanics in fatigue assessment of A516 steel specimens considering residual stresses","authors":"M. Attarha, I. Sattari-far, I. Sattarifar","doi":"10.1177/10567895231183465","DOIUrl":"https://doi.org/10.1177/10567895231183465","url":null,"abstract":"The present study evaluates the effects of tensile residual stresses on fatigue behaviour of ASTM A516 pressure vessel steel specimens. In this regard, fatigue specimens containing a smooth notch region are studied. A damage coupled elastic-plastic constitutive material model is developed to investigate effects of residual stresses on fatigue life. Isotropic and kinematic hardening parameters of the material are experimentally determined. Additionally, the damage model parameters are specified from fatigue experiments conducted on standard specimens in different stress ratios. Tensile residual stresses are introduced into the smooth notched specimens through employing four-point-bending method. The hole drilling technique is utilized to measure the residual stress magnitudes. The results indicate that about two third of fatigue life of the specimens is decreased due to the existed tensile residual stresses. Furthermore, fatigue crack initiation and propagation behaviour in the specimens containing residual stress are studied based on the developed continuum damage model.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"1057 - 1076"},"PeriodicalIF":4.2,"publicationDate":"2023-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49169591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Creep damage parameter extraction from ex-service 12% Cr steel using digital image correlation computed strain data 利用数字图像相关计算应变数据提取退役12% Cr钢蠕变损伤参数

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-06-23 DOI: 10.1177/10567895231182457

M. van Rooyen, Thorsten Hermann Becker

{"title":"Creep damage parameter extraction from ex-service 12% Cr steel using digital image correlation computed strain data","authors":"M. van Rooyen, Thorsten Hermann Becker","doi":"10.1177/10567895231182457","DOIUrl":"https://doi.org/10.1177/10567895231182457","url":null,"abstract":"Several continuum damage mechanics (CDM) modelling approaches for predicting creep deformation of tempered ferritic steels have been developed in the literature, which have evolved from efforts to extend the operability of power plant components. Few of these models, however, focus on damage assessment of ex-service states of power plant steels through the extraction of damage parameters. Furthermore, few CDM approaches leverage the high density of creep curve data available through full-field strain measurement techniques such as digital image correlation (DIC). This work uses multiple creep curves obtained from DIC computed strain data at several stresses and temperatures from individual specimens of X20CrMoV12-1 (X20) piping steel. These curves serve as input data to a modified Oruganti continuum damage mechanics (CDM) model whereby microstructural-specific damage parameters can be extracted. Good agreement is noted between CDM-extracted parameters and microstructural, creep cavity density and hardness damage indicators. Damage parameters based on subgrain growth are particularly sensitive to the ex-service state of the X20 steel. The proposed CDM approach using DIC computed creep curves is shown to be a material efficient alternative to traditional damage assessment methods of ex-service material.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"1028 - 1054"},"PeriodicalIF":4.2,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41455103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of fabric structural stability on the tensile property of bidirectional angle-interlock woven composites 织物结构稳定性对双向角互锁机织复合材料拉伸性能的影响

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-06-09 DOI: 10.1177/10567895231181608

Zhenyu Ma, Wensuo Ma, Ruidong Man, Zhenhao Ma, Yong-hao Xu, Liguang Yang, Chenhui Jia

{"title":"Effect of fabric structural stability on the tensile property of bidirectional angle-interlock woven composites","authors":"Zhenyu Ma, Wensuo Ma, Ruidong Man, Zhenhao Ma, Yong-hao Xu, Liguang Yang, Chenhui Jia","doi":"10.1177/10567895231181608","DOIUrl":"https://doi.org/10.1177/10567895231181608","url":null,"abstract":"Three-dimensional bidirectional angle-interlock woven (3DBAW) composites exhibit the orthogonal high modulus, which has the potential to be used in load-bearing components. 3DBAW preforms prepared using the certain and uncertain cross-sectional yarns exhibit various structural characteristics, and the mechanical properties of composites show the high variation. To investigate the effect of fabric structural stability on the elastic properties of 3DBAW composites and broaden its application, contrast analysis of quasi-static tensile properties of composite specimens was proposed, and the failure mechanism was analysed. The results showed that the high tensile initial elastic modulus of 3DBAW composites was attributed to the low curvature of load-bearing yarns. For composites with stable fabrics, the tensile process was smooth and steady owing to the uniform fiber spacing, and the tensile elastic modulus and strength show the smaller coefficient of variation. The tensile crack surfaces of composites with stable structural fabrics were regular, and making the full use of the load-bearing yarns. 3DBAW preforms with stable structure can effectively reduce the fluctuation of changes at the initial stage of loading, and the translaminar fracture and adhesive matrix failure are the main failure modes without the obvious interlaminar fracture. The results provided the support for the application of 3DBAW composite in load-bearing components.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"989 - 1007"},"PeriodicalIF":4.2,"publicationDate":"2023-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44627340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Theoretical shear damage characterization of intact rock under compressive-shear stress considering energy dissipation 考虑能量耗散的压剪应力作用下完整岩石的理论剪切损伤特征

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-05-21 DOI: 10.1177/10567895231173717

Song Luo, F. Gong, K. Peng

{"title":"Theoretical shear damage characterization of intact rock under compressive-shear stress considering energy dissipation","authors":"Song Luo, F. Gong, K. Peng","doi":"10.1177/10567895231173717","DOIUrl":"https://doi.org/10.1177/10567895231173717","url":null,"abstract":"Investigation into rock damage is of great significance for evaluating and predicting the stability of underground rock applications, such as deep mining or tunneling structures. Considering the energy dissipation properties during rock deformation, this paper proposes a novel theoretical characterization of the damage induced by compressive-shear stress and its evolution in intact rocks. The linear energy dissipation (LED) law is derived from shear stress and deformation data of rocks resulting from the preset angle shear experiment. Based on the LED law, two damage variables are separately constructed from the theoretical and experimental aspects. Several sets of experimental data are subsequently utilized to validate the two constructed damage variables. Results show that both damage variables grow first slowly and then rapidly with shear displacement or shear stress in nonlinear relations. By comparison, however, it is found that the theoretical damage variable outperforms the experimental damage variable, which can accurately reflect the stress and deformation data during progressive rock damage with favorable continuity. This study contributes to a novel theoretical approach to quantifying the pre-peak damage in intact rocks subject to compressive-shear stress.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"962 - 983"},"PeriodicalIF":4.2,"publicationDate":"2023-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43016598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

A new damage-based failure criterion for nonlinear behavior of fibrous composite materials 一种新的基于损伤的纤维复合材料非线性失效准则

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-05-12 DOI: 10.1177/10567895231176300

G. Abu-Farsakh, I. Odeh

{"title":"A new damage-based failure criterion for nonlinear behavior of fibrous composite materials","authors":"G. Abu-Farsakh, I. Odeh","doi":"10.1177/10567895231176300","DOIUrl":"https://doi.org/10.1177/10567895231176300","url":null,"abstract":"In the present paper, a novel combined damage-based failure criterion is being proposed for predicting failure stresses in unidirectional fibrous composite laminas or laminates having a nonlinear material behavior. The present model incorporates the effect of a quantitative damage factor on the final stresses at failure. This is achieved through a new term called the quantitative directional damage-index (QDD-I) which assesses the contribution and effectiveness of damage in each principal material direction on the present failure criterion. From the QDD-I, it is proved that the principal material-direction with a linear or nonlinear stress-strain behavior showed a quantitative damage response on the proposed failure criterion. In a composite lamina, the contribution of fiber-damage and matrix transverse-damage are proved to have minor effects on the failure criterion, while in-plane shear-damage has the major effect. In order to verify the suitability and applicability of the criterion, results are tested using various theoretical and experimental data available from the literature. Furthermore, the model is compared with other failure criteria under both uniaxial and biaxial loading cases from a worldwide comparison, which showed reasonable accuracy and good agreement. Three types of fibrous composite materials are used; Graphite/Epoxy 4617/Modmore-II, Carbon/Epoxy AS4/3501-6, and Boron/Epoxy Narmco 5505.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"940 - 961"},"PeriodicalIF":4.2,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49639700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of cutting parameters on the microstructure evolution and damage mechanism of 7075-T6 aluminum alloy in micro cutting 切削参数对7075-T6铝合金显微切削组织演变及损伤机制的影响

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-05-11 DOI: 10.1177/10567895231171408

Ping Zhang, Zhen-cong Lin, Zehua Liu, Junling Liu, Qingqun Mai, Xiujie Yue

{"title":"Effect of cutting parameters on the microstructure evolution and damage mechanism of 7075-T6 aluminum alloy in micro cutting","authors":"Ping Zhang, Zhen-cong Lin, Zehua Liu, Junling Liu, Qingqun Mai, Xiujie Yue","doi":"10.1177/10567895231171408","DOIUrl":"https://doi.org/10.1177/10567895231171408","url":null,"abstract":"This work aims to explore how cutting parameters affect the microstructure evolution and damage mechanism of 7075-T6 aluminum alloy in micro cutting. The effect of cutting parameters on micro cutting force and surface morphology is examined through single-factor test. By building a 3D micro finite element model for micro cutting based on crystal plasticity theory, the effect of cutting parameters on residual stress, microstructure evolution and damage behavior is analyzed to establish a mapping relation between residual stress and damage. The results show that as cutting speed increases, main cutting force first reduces then increases in all cases, but the cutting speed at the inflection point corresponding to main cutting force is different. The micro cutting surface morphology of 7075-T6 aluminum alloy displays obvious signs of plowing; detectable oxidation adhesion wear appears when the cutting depth is greater than 150 μm. Crack initiation and propagation on the machined surface of 7075-T6 aluminum alloy vary considerably under different cutting parameters. Residual stress distribution displays a ladle profile. The deeper the maximum residual compressive stress is from the surface, the harder it is for micro cracks to initiate and propagate. SEM and EDS analysis indicates that at smaller cutting depths, micro cutting tool wear is dominated by oxidation wear; at larger cutting depths, surface morphology is mostly better than at smaller cutting depths.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"7 1","pages":"914 - 939"},"PeriodicalIF":4.2,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"65775699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Hydro-mechanical coupling behavior and statistical damage constitutive model of deep marble with disturbance 扰动条件下深部大理岩的水力-力学耦合行为及统计损伤本构模型

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-05-07 DOI: 10.1177/10567895231174630

Zhiliang Wang, Shumin Wang, Jianguo Wang

{"title":"Hydro-mechanical coupling behavior and statistical damage constitutive model of deep marble with disturbance","authors":"Zhiliang Wang, Shumin Wang, Jianguo Wang","doi":"10.1177/10567895231174630","DOIUrl":"https://doi.org/10.1177/10567895231174630","url":null,"abstract":"To study the effect of excavation disturbance on hydro-mechanical coupling characteristics of deep marble, both artificially disturbed and intact marble samples were tested under different osmotic pressures. The stress-strain curve, characteristic stress, failure mode and strain energy were then compared between the disturbed and the intact samples under osmotic pressure. Finally, a statistical damage constitutive model was proposed to consider osmotic pressure and initial deformation based on assuming that the micro-element strength of marble obeys Weibull distribution. It is found that the disturbed sample has slightly lower peak stress and damage stress than the intact sample, but its resistance to hydraulic damage decreases significantly. In the initial stage of loading, the ratio of elastic strain energy of the intact sample is generally lower than that of the disturbed one. The characteristic points of the elastic strain energy ratio curve can be a good reference to determine the damage stress. This finding makes up for the deficiency of possible failure of the single definition of damage stress. The proposed statistical damage constitutive model can well reproduce the stress-strain responses under different osmotic pressure. At the same strain level, the rock damage is more significant if the osmotic pressure is higher. This study is of great significance to the development of deep rock mechanics theory and its application in engineering practice.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"889 - 913"},"PeriodicalIF":4.2,"publicationDate":"2023-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41908364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Statistical continuum damage healing mechanics (SCDHM) 统计连续损伤愈合力学(SCDHM)

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-05-04 DOI: 10.1177/10567895231172537

A. Shojaei, G. Voyiadjis

{"title":"Statistical continuum damage healing mechanics (SCDHM)","authors":"A. Shojaei, G. Voyiadjis","doi":"10.1177/10567895231172537","DOIUrl":"https://doi.org/10.1177/10567895231172537","url":null,"abstract":"Damage healing mechanics has been under tremendous development during the past decade in which many constitutive models for different classes of materials have been proposed in the literature. However, to bridge the gap between the physics of healing and the theoretical framework, the statistical nature of the damage healing mechanics must be considered. The statistical nature of the crack nucleation and propagation processes is well-known, and the healing mechanisms follow similar probabilistic processes. In general, the healing process consists of two steps: (I) sealing, in which the free crack surfaces are brought in contact with the help of external forces, and then, (ii) healing, which may include a variety of techniques including the flow of molten polymers or liquid healing agents into the crack free surface areas and solidifying. Both sealing and healing processes can be considered within statistical mechanics to include multiple uncertainties involved in the healing process. This work proposes a framework to integrate statistical mechanics into the continuum of damage healing mechanics. The proposed statistical damage healing mechanics may help designers and scientists to perform more realistic simulations for components under complex damage and healing cycles. The key outputs of the proposed statistical framework are (I) healing method choice, and (II) healing parameter optimization.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"872 - 885"},"PeriodicalIF":4.2,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44431764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of strong dielectric substances on the damage characteristics of rocks exposed to microwave radiation: Insight from experiments and mechanisms 强介电物质对微波辐射下岩石损伤特性的影响:来自实验和机制的见解

IF 4.2 2区工程技术

International Journal of Damage Mechanics Pub Date : 2023-05-03 DOI: 10.1177/10567895231171410

F. Gao, Yindong He, Xin-guang Xiong, K. Zhou, Chun Yang

{"title":"Effect of strong dielectric substances on the damage characteristics of rocks exposed to microwave radiation: Insight from experiments and mechanisms","authors":"F. Gao, Yindong He, Xin-guang Xiong, K. Zhou, Chun Yang","doi":"10.1177/10567895231171410","DOIUrl":"https://doi.org/10.1177/10567895231171410","url":null,"abstract":"It has been demonstrated that microwave pretreatment can weaken rocks, reduce tool wear, and improve mechanical rock breaking efficiency. The dielectric properties of rock minerals are a major factor affecting the ability of rocks to absorb microwaves, so it is important to conduct experimental research on rock modification to improve the microwave absorption capacity of rocks. The concept of “microwave-assisted absorbing reagents” has been proposed to increase the microwave absorption capacity of rocks. Sandstone specimens are first pretreated with strong dielectric substances before being exposed to microwave radiation to increase their microwave absorption capacity, then they are exposed to microwave fields and finally conducted to uniaxial compression tests. Enhancement in microwave absorption capacity of sandstone specimens is showed by P-wave velocity, nuclear magnetic resonance, and mechanical tests before and after microwave treatment. The results showed that barium titanate suspension and water are both effective microwave-assisted absorbing agents. The specimens treated with barium titanate suspension exhibited better microwave absorption capacity; in 5 kW microwave power irradiation, its p-wave velocity falls by 14.04%, porosity rises by 25.43%, and uniaxial compressive strength falls by 24.98%. Additionally, the failure form of sandstone specimens changes from brittle to plastic once it has fully absorbed microwave energy.","PeriodicalId":13837,"journal":{"name":"International Journal of Damage Mechanics","volume":"32 1","pages":"849 - 871"},"PeriodicalIF":4.2,"publicationDate":"2023-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48006201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1