IN6203DS镍基高温合金与Y2O3陶瓷型壳的界面反应行为研究

doi:10.3969/j.issn.1001-1935.2025.02.002

耐火材料 ›› 2025, Vol. 59 ›› Issue (2): 99-104.DOI: 10.3969/j.issn.1001-1935.2025.02.002

IN6203DS镍基高温合金与Y₂O₃陶瓷型壳的界面反应行为研究

董龙沛¹⁾, 徐辉²⁾, 赵云松¹⁾, 王振梼¹⁾, 甘有禄¹⁾, 王恩会³⁾, 侯新梅³⁾

1)北京航空材料研究院先进高温结构材料重点实验室北京 100095
2)北京科技大学绿色低碳钢铁冶金全国重点实验室北京 100083
3)北京科技大学碳中和研究院北京 100083

收稿日期:2024-06-22 出版日期:2025-04-15 发布日期:2025-04-14
通讯作者: 王恩会,男,1990年生,博士,副研究员。E-mail:wangenhui@ustb.edu.cn
作者简介:董龙沛:男,1993年生,硕士,工程师。E-mail:donglongpeihit@163.com
基金资助:
“十四五”国家重点研发计划(2022YFB3404500);国家自然科学基金杰出青年基金项目(No.52025041);国家自然科学联合基金(U2341267);国家自然科学基金面上项目(No.52174294)。

Interfacial reaction behavior between IN6203DS Ni-base superalloy and Y₂O₃ ceramic shells

Dong Longpei, Xu Hui, Zhao Yunsong, Wang Zhentao, Gan Youlu, Wang Enhui, Hou Xinmei

First author’s address:Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Beijing 100095,China

Received:2024-06-22 Online:2025-04-15 Published:2025-04-14

摘要/Abstract

摘要： 为探究Y₂O₃陶瓷型壳应用于某型燃气轮机IN6203DS定向凝固镍基高温合金(以下简称“IN6203DS合金”)低压工作叶片制备的可行性,采用Y₂O₃粉作为陶瓷型壳的面层材料制备Y₂O₃陶瓷型壳,基于工业级精铸试验研究了IN6203DS合金/Y₂O₃陶瓷型壳界面反应行为,明晰了合金熔体与陶瓷型壳间的相互作用机制。结果表明:IN6203DS合金/Y₂O₃陶瓷型壳界面反应的发生归结为物理渗透和化学反应的协同作用。反应后的IN6203DS合金表面有轻微黏砂,其界面反应层厚度约为4~8 μm,包括外层的型壳混合部分扩散到界面的合金氧化物和内层的富Hf氧化物。反应后的型壳面层有剥落,其界面反应层厚度约10~20 μm。因此,Y₂O₃陶瓷型壳可满足某型燃气轮机IN6203DS合金的研制需求。

关键词: IN6203DS, Y₂O₃陶瓷型壳, 界面反应

Abstract: To explore the possibility of applying Y₂O₃ ceramic shells in the preparation of IN6203DS directionally solidified Ni-base superalloy (hereinafter referred to as IN6203DS alloy) low-pressure working blades for a certain type of gas turbines,Y₂O₃ ceramic shells were prepared using Y₂O₃ powder as the surface layer material.The interfacial reaction behavior between IN6203DS alloy and Y₂O₃ ceramic shells was investigated through industrial scale precision casting experiments.The interaction mechanism between the alloy melt and the ceramic shells was clarified.The results show that the interfacial reaction between IN6203DS alloy and Y₂O₃ ceramic shells is attributed to the synergistic effect of physical penetration and chemical reaction.After reaction,the IN6203DS alloy exhibits slight sand adhesion on the surface,with the interfacial reaction layer thickness of approximately 4-8 μm.The layer includes an outer layer of alloy oxides diffused from the shells into the interface and an inner Hf oxide-rich laye.The shell surface layer shows peeling,with the thickness of the interfacial reaction layer of approximately 10-20 μm.Therefore,the Y₂O₃ ceramic shells can satisfy the development requirements of IN6203DS alloy for a certain type of gas turbines.

Key words: IN6203DS, Y₂O₃ ceramic shell, interfacial reaction

中图分类号:

TG24

董龙沛, 徐辉, 赵云松, 王振梼, 甘有禄, 王恩会, 侯新梅. IN6203DS镍基高温合金与Y₂O₃陶瓷型壳的界面反应行为研究[J]. 耐火材料, 2025, 59(2): 99-104.

Dong Longpei, Xu Hui, Zhao Yunsong, Wang Zhentao, Gan Youlu, Wang Enhui, Hou Xinmei. Interfacial reaction behavior between IN6203DS Ni-base superalloy and Y₂O₃ ceramic shells[J]. Refractories, 2025, 59(2): 99-104.

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IN6203DS镍基高温合金与Y₂O₃陶瓷型壳的界面反应行为研究

Interfacial reaction behavior between IN6203DS Ni-base superalloy and Y₂O₃ ceramic shells

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