Nonmetallic inclusions in low-alloy tube steel

被引：1

作者：

Dub, AV ^{[1
]}

Barulenkova, NV ^{[1
]}

Morozova, TV ^{[1
]}

Efimov, SV ^{[1
]}

Filatov, VN ^{[1
]}

Zinchenko, SD ^{[1
]}

Lamukhin, AM ^{[1
]}

机构：

[1] Moscow State Inst Steel & Alloys, Moscow, Russia

来源：

METALLURGIST | 2005年 / 49卷 / 3-4期

关键词：

Calcium; Aluminate; Main Type; Point Rating; Tube Steel;

D O I：

10.1007/s11015-005-0067-1

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Study of the nonmetallic phase of unalloyed tube steel 10G2FB has shown that the steel contains four types of nonmetallic inclusions. Relatively fine (no coarser than 12 mu m) calcium aluminates of variable composition are the main type of nonmetallic inclusion (NI) in such steel. It was established that a decrease in the point rating for NI contamination of the steel from 3.5 to 1.5 leads to an increase in the steel's impact toughness from 235 to 318 J/cm(2).

引用

页码：138 / 148

页数：11

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