Reaction of Zirconium Diboride with Iron and Kh18N10T Stainless Steel

被引：1
作者：
Zhunkovskii, G. L. [1 ]
Grigoriev, O. M. [1 ]
Vedel, D. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, UA-03142 Kiev, Ukraine
来源：
JOURNAL OF SUPERHARD MATERIALS | 2022年 / 44卷 / 02期
关键词：
zirconium diboride; iron; interaction; eutectic; contact melting; CONTACT INTERACTION; OXIDATION BEHAVIOR; ZRB2; CERAMICS; RESISTANCE; ZRB2-MOSI2; NICKEL; HFB2;
D O I：
10.3103/S1063457622020095
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The reaction of ZrB2 with Fe and Kh18N10T alloy in the temperature range of 1200-1700 degrees C is studied. It is established that no reactions with formation of new phases occurs in the ZrB2-Fe system up to a temperature of 1400 degrees C. In the ZrB2-Kh18N10T system, the process of diffusion of chromium and iron of the stainless steel into ZrB2 with formation of a compacted layer of ZrB2-(Fe,Cr)(2)B composite on the contact surface is activated starting from 1200 degrees C. During contact melting in the ZrB2-Fe system, the crystallized alloy is an iron-reinforced ZrB2 composite doped with zirconium and boron. In the ZrB2-Kh18N10T system, iron doped with zirconium, nickel, chromium, titanium, and boron and reinforced with ZrB2 is identified in the structure. Therefore, iron and low-alloy steels can operate in contact with ZrB2 in a neutral or reducing medium up to temperatures not exceeding 1200 degrees C, and iron alloys of the class of heat-resistant and stainless steels can operate in contact with ZrB2 up to 1000 degrees C, regardless of the medium.
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页码：102 / 110
页数：9
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