Examination of Friction Stir-Welded AA 6262/5456 Joints through the Optimization Technique by S. Vijayakumar, Selvaraj Manickam, Suresh Seetharaman, T.V.Janardhana Rao, Devabalan Pounraj, Hari Prasadarao Pydi

“…Friction stir welding (FSW) is the solid state welding technique which is mostly utilized to join similar and dissimilar Al, Cu, Mg, and their alloys. This research investigated that the tensile strength of FSW dissimilar Al6262 and Al5456 of 4 mm thickness is carried out using an H-13 tool pin along with different process variables such as tool rotational speed (TRS), welding speed (WS), and tool tilt angle (TTA). …”
Get full text

Competition between microstructure and defect in multiaxial high cycle fatigue by F. Morel, R. Guerchais, N. Saintier

“…This study aims at providing a better understanding of the effects of both microstructure and defect on the high cycle fatigue behavior of metallic alloys using finite element simulations of polycrystalline aggregates. …”
Get full text

Research on Friction Stir Spot Welding Brazing Process and Properties of Dissimilar Metals DP590 and 6061 by Kai Xu, Shu-quan Zhang

“…Friction stir welding (FSW) is the most popular and efficient method for solid-state joining of similar or dissimilar metals and alloys. This technology is mostly applied in aerospace, rail, automotive, and marine industries. …”
Get full text

Small Surface Fatigue Crack Behaviors of Cr-Mo Steel AISI4137 by Seung-Hoon Nahm, Sang-Koo Jeon, Dong-Kyun Kim, Min-Soo Suh, Chang-Min Suh

“…Costs are increasing due to the addition of alloying elements such as V, W, and Mo to prevent damage to Cr-Mo steel for fastening bolts, but field tests have shown that it is not an appropriate solution for improving physical properties through heat treatment. …”
Get full text

Obtaining multi-component chrome plated coatings for press tooling equipment by Borys Sereda, Andrii Udod

“… The purpose of our study is to obtain multicomponent chrome coatings alloyed with titanium and aluminum to strengthen the working surfaces of parts operated under aggressive conditions on equipment for vulcanizing products from new elastomeric materials using modern methods of surface hardening of materials, including the SHS technology, with the main goal of developing new approaches to improve the mechanical properties and extend the ser-vice life of materials. …”
Get full text

A new method for testing non-porous surfaces for their antimicrobial efficacy using an aerosol-generating spray chamber by Sabine Poelzl, Daniela Dreisiebner, Eva Zarschenas, Rozita Nokhbehzaeim, Clemens Kittinger

“…The test series was carried out with low-alloyed carbon steel and glass without antimicrobial substances against two different Escherichia coli and Staphylococcus epidermidis strains and one Candida albicans strain to evaluate the new method. …”
Get full text

Pre-trained artificial intelligence-aided analysis of nanoparticles using the segment anything model by Gabriel A. A. Monteiro, Bruno A. A. Monteiro, Jefersson A. dos Santos, Alexander Wittemann

“…Examples can be found in systems as diverse as galaxies, alloys, living tissues, cells, and even nanoparticles. …”
Get full text

A Novel Spine Fixation System Made Entirely of Carbon-Fiber-Reinforced PEEK Composite: An In Vitro Mechanical Evaluation by Ofir Uri, Yoram Folman, Gil Laufer, Eyal Behrbalk

“…The fatigue resistance, modulus of elasticity which is very similar to that of bone, radiolucency, and CT/MRI artifact-free feature of this spine fixation system made entirely of CFR-PEEK may offer advantages over traditional spine fixation systems made of metal alloys.…”
Get full text

From single to multi-stage forming process of copper thin sheet by Lagroum Amine, Manach Pierre-Yves, Thuillier Sandrine

“…In the electronics industry sector, different types of parts made out of copper alloys are used, such as metal supports (lead frames), on which the chips are assembled. …”
Get full text

New trends in basic oxygen furnace dephosphorization by Keskinkilic E.

“…Except for special grades of steel where it is used as an alloying element, phosphorus is regarded as an impurity that must be removed. …”
Get full text

Atomic structure, diffusivity and viscosity of Al1-xMgx melts from ab initio molecular dynamics simulations by Gao Q.-N., Wang J., Du Y., Shang S.-L., Liu Z.-K., Liu Y.-J.

“…The results obtained in the present work provide an insight into the design of Al and Mg alloys.…”
Get full text

Lithium recovery from mixed spent LFP-NMC batteries through atmospheric water leaching by Indra Perdana, Doni Riski Aprilianto, Farika Asna Fadillah, Riskal Fadli, Himawan Tri Bayu Murti Petrus, Widi Astuti, Muhammad Akhsin Muflikhun, Hanida Nilasary, Haryo Satriya Oktaviano, Ferry Fathoni, Edo Raihan, Soraya Ulfa Muzayanha

“…Solid-state reactions during carbothermal process resulted in the formation of highly insoluble Li3PO4, and Fe-Ni-Co/Ni-Co alloys, which hinder lithium dissolution. To address these challenges, Na2CO3 was introduced as an additive to suppress Li3PO4. …”
Get full text

Design Optimization of a 3-PUU Parallel Machine for Friction Stir Welding Robots by Eka Marliana, Latifah Nurahmi, Arif Wahjudi, I. Made Londen Batan, Guowu Wei

“…Friction Stir Welding (FSW) has recently emerged as an effective solid-state joining technique for welding high-strength aluminum alloys and light metals, particularly in the railway industry. …”
Get full text

Kinetic origin of hysteresis and the strongly enhanced reversible barocaloric effect by regulating the atomic coordination environment by Zi-Bing Yu, Hou-Bo Zhou, Feng-Xia Hu, Jian-Tao Wang, Fei-Ran Shen, Lun-Hua He, Zheng-Ying Tian, Yi-Hong Gao, Bing-Jie Wang, Yuan Lin, Yue Kan, Jing Wang, Yun-Zhong Chen, Ji-Rong Sun, Tong-Yun Zhao, Bao-Gen Shen

“…Here, we report a study of the kinetic origin of hysteresis and the enhanced barocaloric effect (BCE) in MnCoGe-based alloys with ~2% nonmagnetic In atoms. First-principles calculations demonstrate that substituting In atoms at Ge sites rather than Co sites results in a lower energy barrier, indicating a narrower hysteresis for the former. …”
Get full text

Thermal Stability of Schottky Contacts and Rearrangement of Defects in β‐Ga2O3 Crystals by Palvan Seyidov, Joel B. Varley, Ymir Kalmann Frodason, Detlef Klimm, Lasse Vines, Zbigniew Galazka, Ta‐Shun Chou, Andreas Popp, Klaus Irmscher, Andreas Fiedler

“…Temperature‐dependent leakage current (at −4 V) measurements indicate oxidation of Ni, and further thermodynamic analysis suggests alloying of Au‐Ga atoms at the Au/β‐Ga2O3 interface. …”
Get full text

High-entropy assisted capacitive energy storage in relaxor ferroelectrics by chemical short-range order by Tongxin Wei, Jinzhu Zou, Xuefan Zhou, Miao Song, Yan Zhang, Cewen Nan, Yuanhua Lin, Dou Zhang

“…Although high entropy relaxor ferroelectric exhibited enormous potential in functional materials, the chemical short-range order, which is a common phenomenon in high entropy alloys to modulate performances, have been paid less attention here. …”
Get full text

Improved properties of hybrid Al-CNTs via h-BNs coated with ag and ni for ball bearings by Waheed S. Barakat, Ahmed Samir, Omayma A. Elkady, Mohamed Abu-Okail, Abdelkarim Y. A. Mohamed, A. EL-Nikhaily, A. M. I. Abu-Oqail

“…In conclusion, the combination of mechanical alloying, electroless deposition, and hot compaction techniques proves to be effective in producing Al-CNTs/h-BN nanocomposites coated with Ag and Ni nanoparticles.…”
Get full text

In-situ/operando study of Cu-based nanocatalysts for CO2 electroreduction using electrochemical liquid cell TEM by Jiawei Wan, Jiawei Wan, Qiubo Zhang, Ershuai Liu, Ershuai Liu, Yi Chen, Yi Chen, Jiana Zheng, Jiana Zheng, Amy Ren, Walter S. Drisdell, Walter S. Drisdell, Haimei Zheng, Haimei Zheng

“…Taking Cu-based catalysts for CO2 electroreduction reactions (CO2RR) as an example, they often experience segregation, leaching, and alloying during reactions. With the recent breakthrough development of high-resolution polymer electrochemical liquid cells, in-situ electrochemical liquid cell transmission electron microscopy (EC-TEM) alongside other advanced microscopy techniques, has become a powerful platform for revealing electrocatalysts restructuring at the atomic level. …”
Get full text

Tribological Analysis of Laser-Textured WC-Co Against Ti6Al4V Under Dry and Lubricated Conditions for Different Sliding Times by Javier Garcia-Fernandez, Moises Batista, Juan Manuel Vazquez-Martinez, Jorge Salguero, Irene Del Sol, Magdalena Ramirez-Peña

“…Machining titanium alloys, particularly Ti6Al4V, pose significant challenges in manufacturing engineering. …”
Get full text

Effects of the interface structure on the mechanical and tribological properties of the MoS2/CuCr composites by Chao Guo, Hongqu Jiang, Yuan Luo, Haijun Wu, Qi Zhao, Xingxia Yang, Caiju Li, Jianhong Yi, Yichun Liu

“…Therefore, this study attempts to improve the interfacial structure by introducing chromium (Cr) element through CuCr alloying with the expectation of mechanical and tribological properties improvement. …”
Get full text