Results 51 to 60 of about 2,153,575 (190)

Pulse diffusion welding of female joints

open access: yesFrontier Materials & Technologies
Special feature of operation of electrovacuum tubes, in particular the cathode assembly, is constant heating due to bombardment of its surface with electrons. Stable characteristics and durability of the cathode assembly depend on high-quality connection
Evgeny L. Strizhakov   +3 more
doaj   +1 more source

Mechanical properties and joining mechanisms of magnetic pulse welding joints of additively manufactured 316L and conventional AA5052 aluminum alloy

open access: yesJournal of Materials Research and Technology, 2023
Magnetic Pulse Welding (MPW) is a new solid-phase welding (no heat input and no auxiliaries) technique. This results in joints with almost no brittle intermetallic compounds (IMC) and hence provides excellent joint quality. In this study, 316L fabricated
Yuanheng Yao   +5 more
doaj   +1 more source

METHODS OF MAGNETIC PULSE WELDING

open access: yesIZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY
The article presents the features of various methods of pulsed welding in the solid phase using magnetic pressure according to a scheme with normal loading. A scheme of magnetic-pulse welding, implemented through electrical discharge cleaning without oblique impact, is described. Magnetic pressure is used for forming and welding.
E.L. STRIZHAKOV   +3 more
openaire   +1 more source

Principle and Application of Magnetic Pulse Welding

open access: yesJournal of the Korean Welding and Joining Society, 2008
최근 금속가공산업은 자동차, 조선 기계, 전자 등의 부품소재 제조에 있어 핵심적인 산업으로 자리하고 있다. 특히 가장 많은 비중을 차지하고 있는 용접산업은 저임금을 바탕으로 한 중국기술의 추격과 선진국의 고품질화에 직면하고 있으며 이러한 문제를 해결하기 위하여 친환경 공정기술의 개발과 신기술을 통한 제품의 부가가치 제고가 요구된다. MPW는 자기장에 의한 전자기력을 사용하므로 물리적인 접촉 없이 금속을 가공하는 방법으로서, 용접(brazing과 soldering 포함), 금형 및 소성가공공정에서 환경오염 발생원인 용접재료, 가스, 용가재, 플럭스, 윤활유 및 세척유 등이 필요 없이도 고품질의 제품을 생산할 수 있는 친환경적인 ...
Bong-Yong Kang   +3 more
openaire   +2 more sources

Cell‐Based Micro/Nanorobots: From Living Carriers to Living Therapeutic Specialists

open access: yesSmartBot, EarlyView.
Cell‐based micro/nanorobots integrate evolutionarily acquired biological intelligence with engineered capabilities, offering new opportunities for precision medicine in vivo. However, the complex physiological environments of different organs pose significant challenges to their clinical translation.
Junfeng Wu   +12 more
wiley   +1 more source

Optimal workplacement for robotic friction stir welding task [PDF]

open access: yes, 2013
Robotic manipulators are widely used in industry for welding processes. Inadequate joint stiffness in the manipulators often limits their use for high quality welding operations because of the deformation errors produced during the process.
ABBA, Gabriel, QIN, Jinna, JAIN, Achin
core  

Review of magnetic pulse welding

open access: yesJournal of Welding and Joining, 2015
Magnetic pulse welding(MPW) is a solid state welding process that is accomplished by a magnetic pulse causing a high-velocity impact on two materials, resulting in a true metallurgical bond. One of the great advantages of MPW is that it is suitable for joining dissimilar metals.
openaire   +2 more sources

Highly integrated, alignment healing, and full‐recyclable multifunctional flexible devices based on dynamic covalent bonds

open access: yesSmart Molecules, EarlyView.
This study addresses stability, repair, and recycling in flexible devices using polymers with identical dynamic bonds but incompatible backbones. This enables robust integration, precise self‐healing, and full recyclability. We demonstrate optoelectronic sensors that, after damage, magnetically self‐assemble and heal upon heating.
Xianfei Cao   +4 more
wiley   +1 more source

Transformation sequence of Mg-Si precipitates towards a precipitation of Mn and Cr containing phase governed by the high strain-rate collision during magnetic pulse welding of Al-Mg-Si alloy

open access: yesJournal of Alloys and Metallurgical Systems, 2023
This paper investigates the transformation of Mg-Si precipitates formed at an interface of an Al-Mg-Si alloy joint, welded by the high strain-rate collision during magnetic pulse impact welding.
R.N. Raoelison   +7 more
doaj   +1 more source

Stresses in Above‐Ground Storage Tanks Subjected to Flood‐Borne Debris Impact

open access: yesSafety Science and Technology, EarlyView.
This study investigates the stresses induced in above‐ground storage tanks by flood‐borne debris, specifically steel pipes and wood poles. Findings demonstrate that debris impacts across the examined velocity range generate stresses within safe limits, not exceeding the yield stress threshold.
Sabarethinam Kameshwar   +2 more
wiley   +1 more source

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