Results 91 to 100 of about 7,511 (249)

Structure and Property of Single Pass Welding Zone of DP590 Steel Sheet

Teshugang, 2012
The manual arc welding and CO2shielding gas arc welding of 3. 8 mm DP590 steel sheet (/% ： 0. 07C, 0. 45Si, 1.61Mn) are carried out respectively by Φ3 mm E4303 carbon steel welding rod (/% : ≤0. 12C, ≤0. 25Si, 0. 30 〜0.
邢淑清, 方立新, 孙贻宝, 麻永林, 陈重毅   +4 more
doaj  

Analyses of the Deformability and Chemistry of Non‐Metallic Inclusions in QT Steels With Increased Recycling‐Induced Tramp Element Content

steel research international, EarlyView.
This work uses high‐temperature dilatometry to examine how the tramp elements Cu, Ni, and Sn affect the deformability of non‐metallic inclusions and matrix in quench‐and‐temper steel. Mg‐bearing inclusions deform less than Mg‐free ones. Copper lowers formability. Nickel increases deformability.
Julian Cejka, Isabell Gruber, Gerald Klösch, Susanne Katharina Michelic   +3 more
wiley   +1 more source

A potential solution to GMAW gas flow optimisation [PDF]

, 2012
A number of self-regulating shielding gas valves have been developed to synchronise the shielding gas flow rate to the welding current being used in the gas metal arc welding process (GMAW).
Campbell, Stuart, Galloway, Alexander, Ramsey, Gemma, McPherson, Norman   +3 more
core  

Feasibility of Red Mud Recycling via Hydrogen Plasma Smelting Reduction: Insights From Large‐Scale Laboratory Experiments

steel research international, EarlyView.
Red mud processing in a laboratory hydrogen plasma facility, exceeding one hundred grams of input material, to evaluate the first scale‐up steps for iron recovery. This study demonstrates the feasibility of red mud reduction and the removal of harmful elements.
Daniel Ernst, Jürgen Erich Platl, Daniela Pircher, Magdalena Kirchmair, Lukas Kölbl, Johannes Schenk, Susanne Michelic   +6 more
wiley   +1 more source

Investigation of a ceramic metal matrix composite functional surface layer manufactured using gas tungsten arc welding [PDF]

, 2014
Wear resistant surfaces with high toughness and impact resistant properties are to be created to improve the life cycle cost of brake discs for trains. A potential solution to this industrial problem is to use an arc cladding process.
Herbst, Stephan
core  

ADAP: Adaptive & Dynamic Arc Padding for predicting seam profiles in Multi-Layer-Multi-Pass robotic welding

AI Open
Welding thick metal plates using Multi-Layer-Multi-Pass (MLMP) techniques demands precise control over the weld seam profile as it evolves during the cooling process. In MLMP welding, typically executed with Gas Metal Arc Welding (GMAW) and shielding gas
He Wang, Sen Li, Xiaobo Liu, Chengxiao Dong, Fang Wan   +4 more
doaj   +1 more source

Crash Behavior of DP800–DP1000 Advanced High‐Strength Steel’s Dissimilar Resistance Spot Welded Joints Under Quasi‐static and High Strain Rates

steel research international, EarlyView.
The high‐strain‐rate behavior of resistance spot‐welded DP800–DP1000 joints is investigated. Results show that microstructural gradients across BM–HAZ–FZ govern hardness, strain rate sensitivity, and failure modes. While strength increases with strain rate, energy absorption is controlled by ductility, with DP800–DP800 joints showing superior ...
Pankaj Shrivastava, Velaphi Msomi
wiley   +1 more source

Synthesis and Characterization of the Molybdenum Carbonyl‐Functionalized Zintl Ions [(η4‐Pb4)Mo(CO)3]4− and [Pb4{Mo(CO)3}3]6−

Zeitschrift für anorganische und allgemeine Chemie, EarlyView.
The reaction of the tetrahedral [Pb4]4− with Mo(CO)4(tmeda) yields two different Mo(CO)3‐functionalized clusters which can both be related to known clusters by the same substitution pattern following the isolobal principle. The crystal structures of [Na([2.2.2]crypt)]2Na2[(η4‐Pb4)Mo(CO)3] · 8.7NH3 and Na6[Pb4{Mo(CO)3}3] · 22NH3 are reported.
Michael Witzmann, Nikolaus Korber
wiley   +1 more source

Mobile electromagnetic levitator for time‐resolved in situ X‐ray diffraction studies of high‐temperature phase transformations

Journal of Synchrotron Radiation, EarlyView.
A mobile electromagnetic levitator combined with time‐resolved synchrotron X‐ray diffraction enables in situ studies of high‐temperature phase transformations without container‐induced contamination and reveals the first direct observation of metastable phase formation in undercooled Fe–Co alloys.In situ observations of high‐temperature transformations,
Olga Shuleshova, Ivan Kaban, Steffen Ziller, Uwe Reinhold, Ann-Christin Dippel, Olof Gutowski, Martin von Zimmermann   +6 more
wiley   +1 more source

Use of audible sound for on-line monitoring of gas metal arc welding process [PDF]

Metalurgija, 2008
In this paper sound generated during the gas-metal arc welding process was studded. Experimental analyses of the acoustic signals have shown that there are two main noise-generating mechanisms, first having impulse form is arc extinction and arc ignition;
Prezelj, J., Čudina, M., Polajnar, I.
doaj