工程科学学报，第38卷，第9期：1288-1295,2016年9月 Chinese Journal of Engineering,Vol.38,No.9:1288-1295,September 2016 D0l:10.13374/j.issn2095-9389.2016.09.013:http://journals.ustb.edu.cn 高温合金GH4169与GH4202在富氧气氛中的燃烧行为 王宏亮”，黄进峰)四，连勇》，张程”，周启明”，李书开”，宣统》 1)北京科技大学新金属材料国家重点实验室，北京1000832)北京科技大学新材料技术研究院，北京100083 3)西安航天动力研究所，西安710100 ☒通信作者，E-mail:ustbhuangif(@163.com 摘要采用富氧燃烧实验方法，通过光学显微镜、扫描电子显微镜和能谱仪等手段对GH4169和GH4202高温合金燃烧试 样进行分析，建立合金燃烧质量、热量和氧传输模型，探究两种合金的富氧燃烧机理并提出提高新型高温合金抗燃烧性能的 措施.结果表明：GH4202与GH4169合金在富氧条件下均发生燃烧，GH4202抗燃烧性能优于GH4169:两种合金以液相进行 燃烧，在合金燃烧前沿存在由未完全燃烧的金属颗粒和氧化物组成“燃烧层”，燃烧层中合金元素的燃烧行为是决定合金整体 燃烧的关键性因素：合金元素在燃烧前沿呈现“选择性燃烧”规律，Nb、T、A、C等元素易于与氧发生燃烧，Ni滞后燃烧且燃 烧热低，起到良好的抗燃烧作用 关键词高温合金：燃烧：氧：机理 分类号TG132.3 Combustion behavior of GH4169 and GH4202 superalloys in oxygen-enriched atmosphere WANG Hong-iang,HUANG Jin-feng,LIAN Yong?),ZHANG Cheng",ZHOU Qi-ming,LI Shu-kai,XUAN Tong 1)State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,Beijing 100083,China 2)Institute for Advanced Materials and Technology,University of Science and Technology Beijing,Beijing 100083,China 3)Xi'an Aerospace Propulsion Institute,Xi'an 710100,China Corresponding author,E-mail:ustbhuangif@163.com ABSTRACT Ignition-combustion test was carried out and the combustion samples of GH4169 and GH4202 superalloys were ana- lyzed by using optical microscopy,scanning electron microscopy and energy dispersive spectrometry.A model of mass transfer,heat transfer and oxygen transfer was built to analyze the combustion mechanism of the alloys.Some methods to improve the ability of com- bustion resistance for new superalloys were proposed.The results show that both the alloys burn in the test condition,but GH4202 per- forms better than GH4169.Both the alloys burn in liquid phase,there is a combustion section composed of oxides and metal particles in front of the reaction zone,and the burning behavior of elements in the combustion section decides the combustion ability of the whole alloys.A selective combustion rule of elements is present in the combustion section,the elements such as Nb,Ti,Al and Cr will burn with oxygen easily,while Ni is of delayed combust with low heat and can protect the alloy from combustion. KEY WORDS superalloys;combustion:oxygen:mechanisms 在富氧条件下，绝大多数金属材料都会发生一种 为：温度的急剧升高，产生火焰，并伴随有热量的剧烈 既不同于氧化，也不同于熔化，而是类似于木材、尼龙 释放四.在富氧环境中使用的金属材料存在燃烧的风 等材料的燃烧现象，即金属富氧燃烧四.其特征表现 险，许多材料在空气中难以燃烧，但是在富氧气氛中却 收稿日期：2015-10-26 基金项目：国家高技术发展计划资助项目(2013AA7023021)工程科学学报，第 38 卷，第 9 期: 1288--1295，2016 年 9 月 Chinese Journal of Engineering，Vol． 38，No． 9: 1288--1295，September 2016 DOI: 10． 13374 /j． issn2095--9389． 2016． 09． 013; http: / /journals． ustb． edu． cn 高温合金 GH4169 与 GH4202 在富氧气氛中的燃烧行为 王宏亮1) ，黄进峰1) ，连 勇2) ，张 程1) ，周启明1) ，李书开1) ，宣 统3) 1) 北京科技大学新金属材料国家重点实验室，北京 100083 2) 北京科技大学新材料技术研究院，北京 100083 3) 西安航天动力研究所，西安 710100  通信作者，E-mail: ustbhuangjf@ 163． com 摘 要 采用富氧燃烧实验方法，通过光学显微镜、扫描电子显微镜和能谱仪等手段对 GH4169 和 GH4202 高温合金燃烧试 样进行分析，建立合金燃烧质量、热量和氧传输模型，探究两种合金的富氧燃烧机理并提出提高新型高温合金抗燃烧性能的 措施． 结果表明: GH4202 与 GH4169 合金在富氧条件下均发生燃烧，GH4202 抗燃烧性能优于 GH4169; 两种合金以液相进行 燃烧，在合金燃烧前沿存在由未完全燃烧的金属颗粒和氧化物组成“燃烧层”，燃烧层中合金元素的燃烧行为是决定合金整体 燃烧的关键性因素; 合金元素在燃烧前沿呈现“选择性燃烧”规律，Nb、Ti、Al、Cr 等元素易于与氧发生燃烧，Ni 滞后燃烧且燃 烧热低，起到良好的抗燃烧作用． 关键词 高温合金; 燃烧; 氧; 机理 分类号 TG132. 3 Combustion behavior of GH4169 and GH4202 superalloys in oxygen-enriched atmosphere WANG Hong-liang1) ，HUANG Jin-feng1)  ，LIAN Yong2) ，ZHANG Cheng1) ，ZHOU Qi-ming1) ，LI Shu-kai 1) ，XUAN Tong3) 1) State Key Laboratory for Advanced Metals and Materials，University of Science and Technology Beijing，Beijing 100083，China 2) Institute for Advanced Materials and Technology，University of Science and Technology Beijing，Beijing 100083，China 3) Xi'an Aerospace Propulsion Institute，Xi'an 710100，China  Corresponding author，E-mail: ustbhuangjf@ 163． com ABSTＲACT Ignition-combustion test was carried out and the combustion samples of GH4169 and GH4202 superalloys were ana￾lyzed by using optical microscopy，scanning electron microscopy and energy dispersive spectrometry． A model of mass transfer，heat transfer and oxygen transfer was built to analyze the combustion mechanism of the alloys． Some methods to improve the ability of com￾bustion resistance for new superalloys were proposed． The results show that both the alloys burn in the test condition，but GH4202 per￾forms better than GH4169． Both the alloys burn in liquid phase，there is a combustion section composed of oxides and metal particles in front of the reaction zone，and the burning behavior of elements in the combustion section decides the combustion ability of the whole alloys． A selective combustion rule of elements is present in the combustion section，the elements such as Nb，Ti，Al and Cr will burn with oxygen easily，while Ni is of delayed combust with low heat and can protect the alloy from combustion． KEY WOＲDS superalloys; combustion; oxygen; mechanisms 收稿日期: 2015--10--26 基金项目: 国家高技术发展计划资助项目( 2013AA7023021) 在富氧条件下，绝大多数金属材料都会发生一种 既不同于氧化，也不同于熔化，而是类似于木材、尼龙 等材料的燃烧现象，即金属富氧燃烧［1］． 其特征表现 为: 温度的急剧升高，产生火焰，并伴随有热量的剧烈 释放［2］． 在富氧环境中使用的金属材料存在燃烧的风 险，许多材料在空气中难以燃烧，但是在富氧气氛中却