Improving of Manufacturing of Hot-Extruded Pipes from Ni-Based Alloys

IF 0.6 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Annales De Chimie-science Des Materiaux Pub Date : 2020-05-08 DOI:10.18280/acsm.440201
Y. Kosmatskiy, D. Lysov, N. Fokin, V. Nikolenko
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Abstract

Received: 18 December 2019 Accepted: 21 February 2020 The paper shows the reasons for the growing demand for pipes made of materials with special properties, which include Ni-base alloy CrNi60WoTi. The article is dedicated to results of complex research of opportunity to improve outside surface quality of Ni-base alloy hot extruded pipe. The paper presents analysis of scientific and technical information to determinate the characteristic features of deformation of Ni-based alloys. In work presents the results of plastometric research of samples of metal from an alloy CrNi60WoTi, which made it possible to receive data of value of deformation resistance. According to the results of plastometric tests at the Gleeble 3800 thermo-mechanical process simulator using the module Hydrawedge, metal flow curves were constructed. Using the selected dependence in the work, an approximation of the experimental data is shown based on this information, in the article presents results of calculation technological parameters of pipe extrusion process. This information was used on the factory to product of pilot industrial batch of pipes with an improved quality of outside surface that meets the requirements of Technical conditions (TC) 14-3R-85 without turning the outer surface.
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镍基合金热挤压管材制造工艺的改进
该论文揭示了对特殊性能材料(包括ni基合金CrNi60WoTi)制造的管道需求不断增长的原因。本文介绍了提高镍基合金热挤压管件外表面质量的契机的复杂研究成果。本文通过对科学技术资料的分析,确定了镍基合金的变形特征。本文介绍了对CrNi60WoTi合金金属样品的塑性测量研究结果,使获得变形抗力值的数据成为可能。根据在Gleeble 3800热机械过程模拟器上使用Hydrawedge模块进行的塑性测试结果,构建了金属流动曲线。利用工作中的选择依赖关系,对实验数据进行了近似,给出了管材挤压工艺参数的计算结果。该信息用于工厂生产中试工业批次的管道,其外表面质量得到改善,符合技术条件(TC) 14-3R-85的要求,无需转动外表面。
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来源期刊
Annales De Chimie-science Des Materiaux
Annales De Chimie-science Des Materiaux 工程技术-材料科学:综合
CiteScore
1.70
自引率
25.00%
发文量
33
审稿时长
>12 weeks
期刊介绍: The ACSM is concerning the cutting-edge innovations in solid material science. The journal covers a broad spectrum of scientific fields, ranging all the way from metallurgy, semiconductors, solid mineral compounds, organic macromolecular compounds to composite materials. The editorial board encourages the submission of original papers that deal with all aspects of material science, including but not limited to synthesis and processing, property characterization, reactivity and reaction kinetics, evolution in service, and recycling. The papers should provide new insights into solid materials and make a significant original contribution to knowledge.
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