Comparison of hot dip aluminised F82H-mod. steel after different subsequent heat treatments

被引：45

作者：

Glasbrenner, H ^{[1
]}

Wedemeyer, O ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Mat Forsch 3, D-76021 Karlsruhe, Germany

来源：

JOURNAL OF NUCLEAR MATERIALS | 1998年 / 257卷 / 03期

关键词：

D O I：

10.1016/S0022-3115(98)00456-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A homogeneous intermetallic phase with a thickness of about 20-30 mu m was formed on the surface of the steel F82H-mod. during hot dip aluminising at 700 degrees C for 30 s. The transformation behaviour of this compound Fe2Al5 was investigated by two different heat treatment procedures: the standard heat treatment for F82H-mod, steel (1040 degrees C/0.5 h, 750 degrees C/1 h) and for MANET steel 1075 degrees C/0.5 h, 750 degrees C/2 h). The structure of the transformed coating shows an internal and an external layer separated by a porous band independent of the heat treatment. The internal layer consists of alpha-Fe(Al), the external of FeAl. On top of the coating a thin alumina layer is observed, The thickness of the internal layer and the phase of the formed alumina layer are influenced by the chosen heat treatment. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：274 / 281

页数：8

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