简介概要

MEVVA磁过滤等离子技术制备的Fe纳米颗粒薄膜结构

图书来源:二元合金相图及中间相晶体结构 二元合金相图及中间相晶体结构

作 者:唐仁政 田荣璋

出版时间:2009-05

定 价:320元

图书ISBN:978-7-81105-831-4

出版单位:中南大学出版社

详情信息展示

Experimental study on 830 MPa grade pipeline steel containing chromium

Yi Ren, Shuai Zhang, Shuang Wang, and Wen-yue Liu Technical Center, Anshan Iron & Steel Co. Ltd., Anshan 114009, China

摘 要:The diversity of microstructure and properties of 830 MPa grade pipeline steel containing chromium was investigated by optical microscope and transmission electron microscopy. The main microstructures were multiple configurations, containing lath bainite and granule bainite. Mechanical properties test results showed that the yield strength and tensile strength improved with increasing chromium content. The toughness and elongation decreased at the same time, so temper process was introduced. Appling proper temper parameters, the values of toughness and elongation were improved dramatically, and the strength decreased slightly.

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