Results 91 to 100 of about 512,413 (314)

ROBOTS USED IN AUXILIARY OPERATIONS OF ELECTRIC ARC STEEL FURNACES [PDF]

Analele Universităţii "Constantin Brâncuşi" din Târgu Jiu: Seria Inginerie, 2018
The paper presents some building schemas of manipulator-robots used in auxiliary operations of electric arc furnaces that are found insteel works. The technology of making steel in electric arc furnaces requires thatthe liquid steel outlet is ...
Constantin Brezeanu, Mariana Trofimescu, abriela Firouzi   +2 more
doaj  

A technique for making clean holes in metallic piping and components [PDF]

Testing was conducted to develop a technique of providing clean holes in process piping or in a metal surface accessible from one side only without disassembling the system. The method was performed on sample pieces of piping and worked successfully with
Hecker, T. P.
core   +1 more source

Field Emission Dark Current of Technical Metallic Electrodes

, 2007
In the framework of the Low Emittance Gun (LEG) project, high gradient acceleration of a low emittance electron beam will be necessary. In order to achieve this acceleration a -500 kV, 250 ns FWHM, pulse will be applied in between two electrodes.
Anders, Bakker, Dei-Cas, Diamond, Diamond, Dolgashev, F. Le Pimpec, Furuta, Gebeshuber, Grames, Kildemo, Kobayashi, Kobayashi, Mason, Mesyats, Noer, Paraliev, Posadowski, R. Betemps, R. Ganter, Ramsier, Redhead, Shokouhy, Sinclair, Suzuki, Vossen, Williams   +26 more
core   +1 more source

Robust Spot Melting by 3D Spot Arrangements in Electron Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
This work proposes an approach to replace separately melted contours for spot melting in electron beam powder fusion. Adapting the spot arrangements close to the contour combined with stacking yields a comparable surface quality without the inherent challenges of separate contours, as demonstrated, by electron optical images and roughness measurements.
Tobias Kupfer, Lukas Spano, Sebastian Pohl, Carolin Körner, Matthias Markl   +4 more
wiley   +1 more source

Dream or reality: where is the club for green steel?

npj Climate Action
The USA and the EU proposed a ‘Global Arrangement on Sustainable Steel and Aluminum (GASSA)’ as the first step towards a carbon club for clean steel in 2021. Yet, visions about the core elements of GASSA, a common standard for green steel and a tariff on
Charlotte Unger, Rainer Quitzow
doaj   +1 more source

Some Properties of Ultra Clean Spring Steel

Transactions of Japan Society of Spring Engineers, 1985
乗用車用懸架ばねの高応力化指向, 弁ばねのパワーアップ指向は, 両者の要求レベルに差はあるとはいえ, いずれも耐久性の向上が共通した目標である. これを達成するには, 素材であるばね鋼の超清浄鋼化が1つの有力な手段であると考えられる.そこで, 低コスト・大量生産を前提とした脱ガス法を一般ばね鋼に適用して超清浄鋼を製造し, 懸架ばね用あるいは弁ばね用素材としての特性を検討した. その結果,(1) 200kgf/mm2級高強度懸架ばね用材料として, 酸素レベルを15ppm以下に下げたULO鋼が1つの有効な手段であるとの見通しを得た.(2) 低酸素化 (ULO) および低TiN化 (UL・TiN) 処理を適用したULO+UL・TiN鋼は, 疲れ強さがVAR材なみになることを確認し ...
Makoto SAITO, Yukio ITO
openaire   +2 more sources

Multimodal Data‐Driven Microstructure Characterization

Advanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang, Santiago Benito, Özge Özgün, Sebastian Weber, Markus Stricker   +4 more
wiley   +1 more source

Control Technology of Aluminum Content and Inclusion Composition in High-silicon and Aluminum-controlled Steel [PDF]

Teshugang
In present paper，the control technology of aluminum content and inclusion composition was analyzed for high-silicon and aluminum-controlled steel by technological test.
Zhai Wanli, Zhang Hongcai, Xiao Mengxuan, Xu Zhengzhou
doaj   +1 more source

Buffalo Niagara at the Crossroads: How State Energy Policies can Lead Western New York to a Green, Prosperous, and Just Future [PDF]

, 2016
Buffalo Niagara stands at a climate crossroads. Looking down one road, we can see a chance to rebuild impoverished neighborhoods with quality jobs, green affordable housing, community-owned renewable energy, urban farms, and community gardens, building ...
Partnership for the Public Good
core   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

Advanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir, Jixing Lin, Yuncang Li, Li Zhu, Paul F. A. Wright, Cuie Wen   +5 more
wiley   +1 more source