نتایج جستجو برای: steel tube
تعداد نتایج: 176079 فیلتر نتایج به سال:
Eddy current technique has played an important role in the understanding of the corrosion behavior of steam generator components. Until recently, its role has been primarily in the evaluation of the condition of the heat exchanger tubes. Recent developments have led to the use of this technique for detecting corrosion of the carbon steel plates supporting the tubes. The detection and quantifica...
K. Janiszewski, Silesian University of Technology, Institute of Technology Metals, Katowice, Poland This paper presents the results of microscopic investigations of the structure and chemical composition of the axial zones of continuous casting ingots of 140 x 140 mm cross-section made of G3Si1 steel, comprising the areas of porosity and axial shrinkage defects. The occurrence of shrinkage holl...
Abstract A novel buckling-induced forming method is proposed to produce metal bellows. The tube billet firstly treated by local heating and cooling, the axial loading applied on both ends of tube, then buckling occurs at designated position forms a convolution. In this paper, apparatus designed developed discontinuous continuous bellows 304 stainless steel, their characteristics are discussed r...
We analyze the initiation and propagation of adiabatic shear bands in a thick-walled 4340 steel tube with a V-notch in the middle. The material is modeled as strain hardening, strain-rate hardening and thermal softening. The deformations are assumed to be locally adiabatic and the effect of inertia forces is considered. Two different loadings, i.e., torsional, and combined torsional and axial p...
Surface smoothness is one of the properties determining the performance of stents. Therefore, surface polishing shows its importance in the exploitation and production of stents. The present study explores electrochemical polishing of 316L stainless steel slotted tube coronary stents produced by laser cutting. Acid pickling was also studied as a pre-treatment of electrochemical polishing of the...
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