نتایج جستجو برای: electromagnetic shielding

تعداد نتایج: 84481  

2010
Z. H. Rao S. M. Liao H. L. Tsai

This article presents the effects of shielding gas compositions on the transient transport phenomena, including the distributions of temperature, flow velocity, current density, and electromagnetic force in the arc and the metal, and arc pressure in gas metal arc welding of mild steel at a constant current input. The shielding gas considered includes pure argon, 75% Ar, 50% Ar, and 25% Ar with ...

2013
Jiacheng Wang Hu Zhou Jiandong Zhuang Qian Liu

Ordered mesoporous carbons (OMCs), obtained by nanocasting using ordered mesoporous silicas (OMSs) as hard templates, exhibit unique arrangements of ordered regular nanopore/nanowire mesostructures. Here, we used nanocasting combined with hot-pressing to prepare 10 wt% OMC/OMS/SiO2 ternary composites possessing various carbon mesostructure configurations of different dimensionalities (1D isolat...

Journal: :JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN 1992

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