HYDROGEN EMBRITTLEMENT OF TITANIUM: PHENOMENA AND MAIN WAYS OF PREVENTION

被引：1

作者：

Dekhtyarenko, V. A. ^{[1
,2
]}

Pryadko, T. V. ^{[1
]}

Boshko, O. I. ^{[1
]}

Kirilchuk, V. V. ^{[1
]}

Mykhailova, H. Yu. ^{[1
]}

Bondarchuk, V. I. ^{[1
]}

机构：

[1] NAS Ukraine, GV Kurdyumov Inst Met Phys, 36 Academician Vernadsky Blvd, UA-03142 Kyiv, Ukraine

[2] NAS Ukraine, EO Paton Elect Welding Inst, 11 Kazymyr Malevych Str, UA-03150 Kyiv, Ukraine

来源：

USPEKHI FIZIKI METALLOV-PROGRESS IN PHYSICS OF METALS | 2024年 / 25卷 / 02期

关键词：

titanium; hydrogen embrittlement; protective coatings; surface modification; structure; hydride; PLASMA ELECTROLYTIC OXIDATION; ZIRCONIUM ALLOY; DEUTERIUM PERMEATION; SURFACE MODIFICATION; CERAMIC COATINGS; NEW-MODEL; BARRIER; STEELS; METALS; MANET;

D O I：

10.15407/ufm.25.02.276

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work deals with the issue of the deterioration of the mechanical properties of metallic materials (on an example of Ti) in the presence of hydrogen (hydrogen embrittlement). Three main forms of fracture caused by the presence of hydrogen in metallic materials are distinguished. The first one is the damage in internal pores and cracks, which appear when bubbles of gaseous hydrogen are trapped during melt solidification or hydrogen diffusion through the metal lattice. The second one is associated with hydrogen that forms hydrides and changes the type of crystal lattice of the metal. The third one includes other types of fracture associated with hydrogen in the bulk material under long-term static loads. The main methods of preventing the interaction of metallic materials with hydrogen are determined as follow: (i) alloying that reduces the rate of interaction of the metal material with hydrogen, (ii) surface modification by methods of high-energy impact, (iii) application of protective coatings, and (iv) heat treatment of final products.

引用

页码：276 / 293

页数：18

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