Výsledky vyhledávání - "RESIDUAL stresses"

Damage tolerant design of additively manufactured metallic components subjected to cyclic loading: State of the art and challenges Autor Zerbst, Uwe, Bruno, Giovanni, Buffière, Jean-Yves, Wegener, Thomas, Niendorf, Thomas, Wu, Tao, Zhang, Xiang, Kashaev, Nikolai, Meneghetti, Giovanni, Hrabe, Nik, Madia, Mauro, Werner, Tiago, Hilgenberg, Kai, Koukolíková, Martina, Procházka, Radek, Džugan, Jan, Möller, Benjamin, Beretta, Stefano, Evans, Alexander, Wagener, Rainer, Schnabel, Kai

“…Undoubtedly, a better understanding and the further development of approaches for damage tolerant component design of AM parts are among the most significant…”
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Heat treatment for metal additive manufacturing Autor Laleh, Majid, Sadeghi, Esmaeil, Revilla, Reynier I., Chao, Qi, Haghdadi, Nima, Hughes, Anthony E., Xu, Wei, De Graeve, Iris, Qian, Ma, Gibson, Ian, Tan, Mike Y.

“…Metal additive manufacturing (AM) refers to any process of making 3D metal parts layer-upon-layer via the interaction between a heating source and feeding…”
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The Influence of Top and Bottom Metal Electrodes on Ferroelectricity of Hafnia Autor Lee, Yongsun, Goh, Youngin, Hwang, Junghyeon, Das, Dipjyoti, Jeon, Sanghun

“…In recent years, several experimental approaches have been adopted to study and understand the mechanism and improve the ferroelectricity of fluorite-type…”
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Fatigue improvement and residual stress relaxation of shot-peened alloy steel DIN 34CrNiMo6 under axial loading Autor Leguinagoicoa, Nelson, Albizuri, Joseba, Larrañaga, Aitor

“…•Shot-peening process, compared with machined specimens, increases by 21.8% fatigue limit.•Quasi-static tests show more stress relaxation with compressive…”
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Effects of annealing on the microstructure and mechanical properties of selective laser melted AlSi7Mg alloy Autor Wang, Min, Song, Bo, Wei, Qingsong, Zhang, Yuanjie, Shi, Yusheng

“…Selective laser melting, due to the high energy density input and the small interaction time (106 K/s), can result in an ultrafine microstructure and excellent…”
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Fatigue strength assessment of “as built” AlSi10Mg manufactured by SLM with different build orientations Autor Beretta, S., Gargourimotlagh, M., Foletti, S., du Plessis, A., Riccio, M.

“…[Display omitted] •Fatigue tests on ‘as-built’ AlSi10Mg samples manufactured by SLM.•Moderate correlation between defects at the fracture origin and roughness…”
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Influence of initial residual stresses on welding residual stresses in ultra-high strength steel S960 Autor Sun, Jiamin, Dilger, Klaus

“…In general, the as-received steel components before welding have usually suffered from numerous manufacturing processes. There is no doubt that initial…”
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The effect of laser shock peening, shot peening and their combination on the microstructure and fatigue properties of Ti-6Al-4V titanium alloy Autor Luo, Xuekun, Dang, Ning, Wang, Xin

“…[Display omitted] •The fatigue life can be significantly improved (up to 9.3 times) by (LSP+SP).•Gradient microstructure with dislocations and novel CRS…”
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A probabilistic study of welding residual stresses distribution and their contribution to the fatigue life Autor Manai, Asma, Franz von Bock und Polach, Rüdiger Ulrich, Al-Emrani, Mohammad

“…•Probabilistic study of the shape of welding residual stresses at the weld toe through the thickness direction in both cases.•When welding introduces…”
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Machinability of inconel 718 during turning: Cutting force model considering tool wear, influence on surface integrity Autor Toubhans, Bastien, Fromentin, Guillaume, Viprey, Fabien, Karaouni, Habib, Dorlin, Théo

“…[Display omitted] •Machinability of Inconel 718 is studied in finish turning conditions using carbide tools.•A mechanistic cutting force model is improved for…”
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Thermal Barrier Coatings—A State of the Art Review Autor Thakare, Jayant Gopal, Pandey, Chandan, Mahapatra, M. M., Mulik, R. S.

“…Thermal barrier coatings (TBCs) have seen considerable advancement since the initial testing and development of thermal spray coating. Thermal barrier coatings…”
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Recent Developments and Novel Applications of Laser Shock Peening: A Review Autor Zhang, Chaoyi, Dong, Yalin, Ye, Chang

“…By inducing work hardening and beneficial compressive residual stresses in near‐surface regions, laser shock peening (LSP) improves the fatigue performance of…”
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A geometrically controlled rigidity transition in a model for confluent 3D tissues Autor Merkel, Matthias, Manning, M Lisa

“…The origin of rigidity in disordered materials is an outstanding open problem in statistical physics. Previously, a class of 2D cellular models has been shown…”
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Investigation on influences of initial residual stress on thin-walled part machining deformation based on a semi-analytical model Autor Gao, Hanjun, Zhang, Yidu, Wu, Qiong, Li, Bianhong

“…[Display omitted] The manufacturing accuracy of the thin-walled parts is significantly affected by the residual stress in the blank and the resulting machining…”
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Bifurcation analysis of elastic residually-stressed circular cylindrical tubes Autor Melnikov, Andrey, Ogden, Ray W., Dorfmann, Luis, Merodio, José

“…The theory of superimposed incremental elastic deformations is applied to a deformed configuration of a residually-stressed circular cylindrical tube. The tube…”
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Influence of coating thickness on residual stress and adhesion-strength of cold-sprayed Inconel 718 coatings Autor Singh, R., Schruefer, S., Wilson, S., Gibmeier, J., Vassen, R.

“…In the cold spray process, deposition of particles takes place through intensive plastic deformation upon impact in a solid state at the temperatures well…”
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A study on the influence of substrate pre-heating on mitigation of cracks in direct metal laser deposition of NiCrSiBC-60%WC ceramic coating on Inconel 718 Autor Sadhu, Abhijit, Choudhary, Amit, Sarkar, Sagar, Nair, Amal M., Nayak, Pravanjan, Pawar, Sagar Dadasahed, Muvvala, Gopinath, Pal, Surjya K., Nath, Ashish Kumar

“…Direct metal laser deposition of ceramic-metal composite coatings has received much attention in the recent past over other conventional methods due to a large…”
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Surface characteristics and fatigue behavior of shot peened Inconel 718 Autor Klotz, T., Delbergue, D., Bocher, P., Lévesque, M., Brochu, M.

“…[Display omitted] •Shot peening has a detrimental effect on fatigue life in low cycle fatigue.•Shot peening can increase fatigue life from two to twenty times…”
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Protoplanetary Disks as (Possibly) Viscous Disks Autor Rafikov, Roman R.

“…Protoplanetary disks are believed to evolve on megayear timescales in a diffusive (viscous) manner as a result of angular momentum transport driven by internal…”
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Effects of segmented thermal-vibration stress relief process on residual stresses, mechanical properties and microstructures of large 2219 Al alloy rings Autor Song, Hechuan, Gao, Hanjun, Wu, Qiong, Zhang, Yidu

“…•A STVSR process was proposed to stress relief for large 2219 Al-Cu alloy transition rings.•The residual stresses decreased and mechanical properties improved…”
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