Search Results - "Acta materialia"

High entropy alloys: A focused review of mechanical properties and deformation mechanisms by George, E.P., Curtin, W.A., Tasan, C.C.

“…The high-entropy alloy (HEA) concept was based on the idea that high mixing entropy can promote formation of stable single-phase microstructures. During the…”
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Origin of dislocation structures in an additively manufactured austenitic stainless steel 316L by Bertsch, K.M., Meric de Bellefon, G., Kuehl, B., Thoma, D.J.

“…In this experiment, the origin of dislocation structures in AM stainless steels was systematically investigated by controlling the effect of thermal stress…”
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Developing a high-strength Al-Mg-Si-Sc-Zr alloy for selective laser melting: Crack-inhibiting and multiple strengthening mechanisms by Li, Ruidi, Wang, Minbo, Li, Zhiming, Cao, Peng, Yuan, Tiechui, Zhu, Hongbin

“…To develop high-strength Al alloys for selective laser melting (SLM) additive manufacturing, we designed a series of Al-Mg(-Si)-Sc-Zr alloys and additively…”
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A critical review of high entropy alloys and related concepts by Miracle, D.B., Senkov, O.N.

“…High entropy alloys (HEAs) are barely 12 years old. The field has stimulated new ideas and has inspired the exploration of the vast composition space offered…”
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Twinning-induced plasticity (TWIP) steels by De Cooman, Bruno C., Estrin, Yuri, Kim, Sung Kyu

“…This article reviews original work and important new developments in the field of deformation behavior of high manganese face-centered cubic γ-Fe alloys. Owing…”
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Machine learning assisted design of high entropy alloys with desired property by Wen, Cheng, Zhang, Yan, Wang, Changxin, Xue, Dezhen, Bai, Yang, Antonov, Stoichko, Dai, Lanhong, Lookman, Turab, Su, Yanjing

“…We formulate a materials design strategy combining a machine learning (ML) surrogate model with experimental design algorithms to search for high entropy…”
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Additive manufacturing of metals by Herzog, Dirk, Seyda, Vanessa, Wycisk, Eric, Emmelmann, Claus

“…Additive Manufacturing (AM), the layer-by layer build-up of parts, has lately become an option for serial production. Today, several metallic materials…”
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New insights on cellular structures strengthening mechanisms and thermal stability of an austenitic stainless steel fabricated by laser powder-bed-fusion by Voisin, Thomas, Forien, Jean-Baptiste, Perron, Aurelien, Aubry, Sylvie, Bertin, Nicolas, Samanta, Amit, Baker, Alexander, Wang, Y. Morris

“…Rapid solidification cellular structures are known to play a crucial role in helping achieve high strength and high ductility in 316L austenitic stainless…”
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Alloys-by-design: Application to new superalloys for additive manufacturing by Tang, Yuanbo T., Panwisawas, Chinnapat, Ghoussoub, Joseph N., Gong, Yilun, Clark, John W.G., Németh, André A.N., McCartney, D. Graham, Reed, Roger C.

“…[Display omitted] New grades of γ/γ′ nickel-based superalloy for the additive manufacturing process are designed using computational approaches. Account is…”
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Phase stability and mechanical properties of novel high entropy transition metal carbides by Harrington, Tyler J., Gild, Joshua, Sarker, Pranab, Toher, Cormac, Rost, Christina M., Dippo, Olivia F., McElfresh, Cameron, Kaufmann, Kevin, Marin, Eduardo, Borowski, Lucas, Hopkins, Patrick E., Luo, Jian, Curtarolo, Stefano, Brenner, Donald W., Vecchio, Kenneth S.

“…Twelve different equiatomic five-metal carbides of group IVB, VB, and VIB refractory transition metals are synthesized via high-energy ball milling and spark…”
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Promoting the columnar to equiaxed transition and grain refinement of titanium alloys during additive manufacturing by Bermingham, M.J., StJohn, D.H., Krynen, J., Tedman-Jones, S., Dargusch, M.S.

“…Preventing columnar grain formation during additive manufacturing has become a significant challenge. Columnar grains are generally regarded as unfavourable as…”
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Outstanding tensile properties of a precipitation-strengthened FeCoNiCrTi0.2 high-entropy alloy at room and cryogenic temperatures by Tong, Y., Chen, D., Han, B., Wang, J., Feng, R., Yang, T., Zhao, C., Zhao, Y.L., Guo, W., Shimizu, Y., Liu, C.T., Liaw, P.K., Inoue, K., Nagai, Y., Hu, A., Kai, J.J.

“…A FeCoNiCrTi0.2 high-entropy alloy strengthened by two types of coherent nano-precipitates but with the same composition was fabricated, and its tensile…”
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Magnetic properties and giant cryogenic magnetocaloric effect in B-site ordered antiferromagnetic Gd2MgTiO6 double perovskite oxide by Zhang, Yikun, Tian, Yun, Zhang, Zhenqian, Jia, Youshun, Zhang, Bin, Jiang, Minqiang, Wang, Jiang, Ren, Zhongming

“…The magnetic refrigeration (MR) technology by utilizing the magnetocaloric (MC) effects of magnetic solids have been realized to be a promising energy…”
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Laser powder-bed fusion additive manufacturing: Physics of complex melt flow and formation mechanisms of pores, spatter, and denudation zones by Khairallah, Saad A., Anderson, Andrew T., Rubenchik, Alexander, King, Wayne E.

“…This study demonstrates the significant effect of the recoil pressure and Marangoni convection in laser powder bed fusion (L-PBF) of 316L stainless steel. A…”
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Machine-learning interatomic potentials for materials science by Mishin, Y.

“…[Display omitted] Large-scale atomistic computer simulations of materials rely on interatomic potentials providing computationally efficient predictions of…”
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Inoculation treatment of an additively manufactured 2024 aluminium alloy with titanium nanoparticles by Tan, Qiyang, Zhang, Jingqi, Sun, Qiang, Fan, Zhiqi, Li, Gan, Yin, Yu, Liu, Yingang, Zhang, Ming-Xing

“…Considerable studies on metal selective laser melting (SLM) have proved the necessity to refine microstructure parts fabricated by SLM in order to eliminate…”
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Enhancement of strength-ductility trade-off in a high-entropy alloy through a heterogeneous structure by Wu, S.W., Wang, G., Wang, Q., Jia, Y.D., Yi, J., Zhai, Q.J., Liu, J.B., Sun, B.A., Chu, H.J., Shen, J., Liaw, P.K., Liu, C.T., Zhang, T.Y.

“…The improvement in strength is usually accompanied by ductility loss in structural materials, which is a long-standing conflict referred as the…”
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Reasons for the superior mechanical properties of medium-entropy CrCoNi compared to high-entropy CrMnFeCoNi by Laplanche, G., Kostka, A., Reinhart, C., Hunfeld, J., Eggeler, G., George, E.P.

“…The tensile properties of CrCoNi, a medium-entropy alloy, have been shown to be significantly better than those of CrMnFeCoNi, a high-entropy alloy. To…”
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Phase transformations in an ultralight BCC Mg alloy during anisothermal ageing by Xin, Tongzheng, Tang, Song, Ji, Fan, Cui, Luqing, He, Binbin, Lin, Xin, Tian, Xiaolin, Hou, Hua, Zhao, Yuhong, Ferry, Michael

“…Mg-Li-Al alloys with a body-centred cubic (BCC) structure can exhibit exceptional specific strengths in combination with excellent ductility and corrosion…”
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First-principles study, fabrication and characterization of (Zr0.25Nb0.25Ti0.25V0.25)C high-entropy ceramics by Ye, Beilin, Wen, Tongqi, Nguyen, Manh Cuong, Hao, Luyao, Wang, Cai-Zhuang, Chu, Yanhui

“…The formation possibility of a new (Zr0.25Nb0.25Ti0.25V0.25)C high-entropy ceramics (ZHC-1) was first analyzed by the first-principles calculations and…”
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