Zinc deposition with pack cementation on low carbon steel substrates

被引：38
|
作者：
Vourlias, G.
Pistofidis, N.
Chaliampalias, D.
Pavlidou, E.
Stergioudis, G. [1 ]
Polychroniadis, E. K.
Tsipas, D.
机构：
[1] Aristotle Univ Thessaloniki, Dept Phys, GR-54124 Thessaloniki, Greece
[2] Aristotle Univ Thessaloniki, Dept Mech Engn, GR-54124 Thessaloniki, Greece
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2006年 / 416卷 / 1-2期
关键词：
metals; surfaces and interfaces; Scanning Electron Microscopy; X-ray diffraction;
D O I：
10.1016/j.jallcom.2005.08.037
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The structure of Zn coatings formed with pack cementation at 250, 350, 380, 400 and 450 degrees C have been studied with Scanning Electron Microscopy, X-ray diffraction and microhardness measurments. From this investigation it turned up that these coatings are composed of two layers referring to Gamma-Fe11Zn40 and delta-FeZn10 phases of the Fe-Zn phase diagram, while inclusions were also detected, composed of Fe and Zn at almost equal concentrations. Furthermore it was deduced that the coating thickness at 400 and 450 degrees C is a function of t(1/2), where t is the heating time. However, the microstructure is similar in every case. Finally, it was concluded that the microhardness of the pack coatings is higher than the microhardness of the hot-dip galvanized coatings. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：125 / 130
页数：6
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