Study of Manufacturing Process of Holes in Aeroengine Heat Shield by Anyuan Jiao, Weijun Liu

“…The nickel-based superalloy GH3128 with high plasticity, high long-lasting creep strength, good resistance to oxidation and stamping, and good welding performance is widely used in aircraft engine heat shields. …”
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Quantitative efficiency of optoacoustic ultrasonic treatment in SLM, DED, and LBW applications by Stepan L. Lomaev, Dinara R. Fattalova, Georgii A. Gordeev, Marat A. Timirgazin, Mikhail D. Krivilyov

“…Abstract Ultrasound can improve the quality of finished products by reducing porosity and enhancing microstructure in selective laser melting, directed energy deposition, and laser beam welding. This study evaluates the efficiency of ultrasound produced by a pulsed laser via the optoacoustic effect. …”
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Experimental Study on Fatigue Performance of Negative Bending Moment of Steel-Concrete Continuous Composite Box Girder by Pu Gao, Kuan Li, Yuanxun Zheng

“…The results showed that the fatigue resistance performance of concrete slab with low reinforcement ratio was much lower than that of concrete slab with high reinforcement ratio whereas, under the fatigue load, the stress of the welding nail in the negative moment region was small and the slip was almost negligible. …”
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Spot Lap Joining of Titanium G2 to Nylon 6 by Nylon Extrusion via Friction Forming Technique by Hashim Hasan Shareef, Ammar A. Hussain

“… To join sheets of commercial pure titanium grade 2 and nylon 6 polymer, friction lap spot welding (FLSW) was proposed. The titanium sheets were drilled to create a 3.5mm diameter hole, which was then threaded with M4. …”
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A Novel Approach for Detection of Cyber Attacks in MQTT-Based IIoT Systems Using Machine Learning Techniques by Serkan Gönen

“…The widely accepted Message Queuing Telemetry Transport (MQTT) protocol, with its structure that meets the needs of welding-oriented devices in IoT and IIoT applications, is a prime example. …”
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Robot Calibration for Cooperative Process under Typical Installation by Yahui Gan, Xianzhong Dai, Donghui Dong

“…The calibration errors are less than 8 mm in most cases, which satisfies the requirement of positioning accuracy for most industrial process, such as arc welding, transporting, and cutting. These experiment results assert the correctness of our method which can be used effectively to solve the base frame calibration problem for cooperative robots in manufacturing process.…”
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Microcontroller-Based Direct Torque Control Servodrive by Rafael Rodríguez-Ponce, Francisco Gustavo Mota-Muñoz

“…Robot technology has become an integral part of the automotive industry in several tasks such as material handling, welding, painting, and part assembly. Therefore, the knowledge and skills to control the electric motors in these manipulators are essential for undergraduate electrical engineering students. …”
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Effects of layer arrangement, pin size, polyurethane thickness, and polyurethane hardness on forming limits of Al/Cu bimetallic sheets through multi-point forming process by Milad Aali Majidabad, Ramin Hashemi, Habibolah Akbari

“…This study experimentally evaluated the forming limit diagram (FLD) of Al/Cu bimetallic sheets fabricated using explosive welding in multi-point forming. The results showed that the forming limit was greater in multi-point forming than in the Nakazima test. …”
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Automated synthesis of technological fixture constructions by D P. Kunkevich, I. I. Polozkov, A. A. Baryshev

“…There is another type of such equipment – fixtures for locating and clamping parts on the technological operations of assembly, welding, cutting, etc. Automated synthesis of fixtures is considered in this article. …”
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Thermal effects of AISI 304-L stainless steel after laser irradiation by Anderson Kenji Hirata, Claudio Luis dos Santos, Helder de Paula Vicente, Paulo Paiva Oliveira Leite Dyer, Getulio de Vasconcelos

“… Laser Directed Energy Deposition (L-DED) is one of the Additive Manufacturing (AM) techniques that has emerged in recent years, and it is one of the disruptive technologies of the Industry 4.0. The selection of welding parameters of the L-DED system is critical for obtaining the desired results in metal deposition, however, due to its intrinsic nonlinear behavior in the process, the suitable choices need to be investigated. …”
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Prognostics, Health Assessment, and Modelling of Material Removal Rate by EDM for Al 6061 and AISI 304 via Cockroach Swarm and Fruit Fly Optimization Approaches by Senthil Kumaran Selvaraj, Jayakumar Kaliappan, Natarajan Muthuswamy, S. Ramesh Kumar, Muralimohan Cheepu

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Metallurgical and mechanical properties of failed railway screw coupling in screw part by Sabry.M. Abdel Aziz, F. Abdel Mouez, M.A. Morsy

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Application of Response Surface Methodology for Modeling of Postweld Heat Treatment Process in a Pressure Vessel Steel ASTM A516 Grade 70 by Prachya Peasura

“…The research described here can be used as material data on PWHT parameters for an ASTM A516 grade 70 weld.…”
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A Ku Wideband Circularly Polarized Microstrip Antenna Array with Low Profile Crossed-Dipole Element by Haipeng Liu, Yunhua Zhang, Xiaowen Zhao

“…A feeding structure is proposed without welding, so potential errors in the antenna assembly process can be mitigated. …”
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Research on the Fatigue of Small Impulse Turbine Blade Based on the Numerical Simulation and Experimental Tests by Shijie Liu, Guozhu Liang, Jichao Liu, Yichuan Yang, Hui Wang

“…Results show that (1) different from the aviation field, the specimen is unable to be machined with the welding method because it destroys the crucial details and the mechanical properties; (2) the maximum plastic strain is present at the leading edge close to the hub, at which a 760 μm corner crack appears at the 10113th fatigue cycle. …”
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Effect of titanium content on the microstructure and wear behavior of Fe(13-x)TixB7 (x=0-5) hardfacing alloy by Kılınç B., Kocaman E., Şen Ş., Şen U.

“…In this study, the effects of titanium addition on microstructure, hardness, and wear rate of Fe(13-x)TixB7 (x = 0, 1, 2, 3 and 5) based hard surface alloy layers formed by gas tungsten arc (GTA) welding method were investigated. As a result of the microstructure studies and phase analysis, it was determined that the structures of the coating layers consisted of α-Fe, αFe+Fe2B eutectic, α-Fe+Fe2Ti eutectic and hard TiB2 phases. …”
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Creep Rupture Behavior in Dissimilar Weldment between FB2 and 30Cr1Mo1V Heat-Resistant Steel by Jiankun Xiong, Jianping Yang, Haiyan Zhao, Lin Yang, Yang Guo, Fuheng Nie, Dexing Xu, Liping Yu, Fenghong Cao

“…Creep rupture behavior of dissimilar weldments between FB2 and 30Cr1Mo1V heat-resistant steel by multipass welding at 783 K (510°C) under different stresses (260 to 420 MPa) was researched. …”
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Influence of technological factors of melting on the structure and properties of modified heat‑resistant chrome bronzes by F. G. Lovshenko, I. A. Lozikov

“…The phase composition and physico‑mechanical properties of experimental bronzes have been studied.It has been established that the use of a mechanically fused modifying ligature with a high content of alloying component having chromium particles close to micro‑/nanodisperse size with a non‑oxidized surface and a highly effective deoxidizer modifier reduces the temperature and duration of melting, obtaining alloys with a microcrystalline type of structure (2–5 microns) and a complex of physico‑mechanical properties not inferior to, and in terms of heat resistance superior analogues, which is confirmed by the data of production tests at JSC “Belcard” (Grodno, RB) of contact spot welding electrodes made of experimental bronzes, which are 3.8 times more resistant than those used by the plant.…”
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Influence of Geometry and Boundary Conditions in Area of Cohesion between Materials on the Reflection of an Ultrasonic Beam. Part 1. Theoretical research by A. R. Bayev, A. L. Mayorov, N. V. Levkovich, D. V. Shavlovskiy, M. V. Asadchaya

“…The improvement of efficiency, reliability and productivity of ultrasonic testing of objects with cohesion between materials connected by welding, soldering, gluing, etc. is 'an important problem of the modern production technologies. …”
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Build Strategies Based on Substrate Utilization for 3-Axis Hybrid Wire Arc Additive Manufacturing Process by Ritam Sarma, Sajan Kapil, Shrikrishna N. Joshi

“…In this process, a CAD model of the component is sliced into a set of 2D contours followed by the generation of toolpaths. An arc welding torch then follows these toolpaths for adding material over a substrate to realize the near-net shape of the object. …”
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