A heat-resistant glass-modified multi-component phosphate adhesive for repair and connection of superalloy in extreme environment

被引：17

作者：

Zhang, Xueqi ^{[1
]}

Wang, Mingchao ^{[1
,2
,3
]}

Jia, Tao ^{[1
]}

Ma, Xiaohui ^{[1
]}

Song, Qinggong ^{[2
]}

Zhou, Qingjun ^{[2
]}

Yang, Xiong ^{[2
]}

Liu, Jiachen ^{[1
,3
]}

Guo, Anran ^{[1
,3
]}

机构：

[1] Tianjin Univ, Sch Mat & Engn, Key Lab Adv Ceram & Machining Technol, Minist Educ, Tianjin 300072, Peoples R China

[2] Civil Aviat Univ China, Coll Sci, Tianjin 300300, Peoples R China

[3] Tianjin Univ Qingdao Co Ltd, Inst Oceanog Engn, Qingdao, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 745卷

基金：

中国国家自然科学基金;

关键词：

Adhesive; Superalloy; Mechanical properties; Heat treatment; Bonding performance; HIGH-TEMPERATURE; ENGINEERING CERAMICS;

D O I：

10.1016/j.jallcom.2018.02.041

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：

A novel heat-resistant phosphate-based adhesive for bonding superalloys was developed from phosphates as matrix, and B4C, Si as well as low temperature melting Zn-B-Al-Si-R glass as fillers. It can cure at room temperature (RT) and provide no less than 5 MPa in a wider temperature range of RT-1000 degrees C. The addition of these fillers boosted the thermal expansion of adhesive, improved the structure of bonding area, and provided reactant sources for heat-resistant components. After calcination at 1000 degrees C, the bonding strength reached the maximum of 7.8 MPa as more heat-resistant ceramics and high-temperature melting glass generated in adhesive, and deeper chemical reactions happen on interface. This novel adhesive greatly facilitated the repair of superalloys, especially for non-weight-bearing superalloy slices or flakes. (c) 2018 Elsevier B.V. All rights reserved.

引用

页码：868 / 873

页数：6

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