伊人天堂在线_中文字幕国产视频_综合精品_国产成人免费视频网站视频社区_真实国产露脸乱_在线国产视频观看

作者：Takashi YAMAMURA;Kunio MINATO;

作者單位：

刊名：品川技報

ISSN：0288-5395

出版年：1996-01-05

卷：0

期：39

起頁：15

止頁：24

分類號：TQ175

語種：英文

關(guān)鍵詞：

內(nèi)容簡介

Wear mechanism and evaluation method of magnesia-chrome bricks for AOD vessels are discussed. The bricks are subjected to turbulent liquid steel-gas-slag in the bath, they should have well-developed bonding texture and high hot strength. Newly-developed high purity rebounded bricks for tuyeres have dense texture characterized by low permeability and small pore size, they show excellent performance.