High Temperature Oxidation Resistance of Silicide Coatings on Nb/NbCr2 Alloy

doi:10.11901/1005.3093.2014.548

Chinese Journal of Materials Research

2015, Vol. 29

Issue (6): 410-416 DOI: 10.11901/1005.3093.2014.548

Current Issue | Archive | Adv Search

High Temperature Oxidation Resistance of Silicide Coatings on Nb/NbCr₂ Alloy

Yanqiang QIAO,Maoyuan LI,Xiping GUO(

)

State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China

Cite this article:

Yanqiang QIAO,Maoyuan LI,Xiping GUO. High Temperature Oxidation Resistance of Silicide Coatings on Nb/NbCr₂ Alloy. Chinese Journal of Materials Research, 2015, 29(6): 410-416.

Download:

HTML

PDF(5944KB)
Export: BibTeX | EndNote (RIS)

Abstract

Silicide coatings on Nb/NbCr₂ alloy were prepared by pack cementation method. The oxidation behavior of the bare- and coated-alloy was examined by isothermal test at 1250 ℃ in static air. The results show that the silicide coatings are composed of (Nb, Cr)Si₂ and (Cr, Nb)Si₂ phases. There exist a transitional layer of (Nb, Cr)₅Si₃ in between the main coating and substrate. The coating growth kinetics at 1250℃ fits to parabolic law. The oxidation of Nb/NbCr₂ alloy resulted in alternate layers of Nb₂O₅ and CrNbO₄ with porous structure, which was wrinkling even spalling off after oxidation. The scale formed on the silicide coating after oxidation at 1250℃ was mainly composed of SiO₂ and CrNbO₄. The scale was relatively dense and had a good bond with the residual coating, thus showing an excellent oxidation resistance.

Key words: materials failure and protection Laves phase NbCr₂ pack cementation process silicide coating oxidation resistance

Received: 28 September 2014

Fund: ^*Supported by National Natural Science Foundation of China Nos. 51401166 & 51371145, Natural Science Basic Research Plan in Shaanxi Province of China No. 2014JQ6215, and Research Fund of the State Key Laboratory of Solidification Processing (NWPU) No. 116-QP-2014.

	Service

	E-mail this article
	Add to citation manager
	E-mail Alert
	RSS
	（）
	Articles by authors
	Yanqiang QIAO
	Maoyuan LI
	Xiping GUO

URL:

https://www.cjmr.org/EN/10.11901/1005.3093.2014.548 OR https://www.cjmr.org/EN/Y2015/V29/I6/410

Fig.1 BSE images of the as-cast Nb/NbCr₂ alloy: (a) low magnification and (b) high magnification

Fig.2 XRD spectra of the coatings prepared by deposition of Si at 1250℃ for 0.5, 2, 5 and 8 h

Fig.3 Cross-sectional BSE images of the coatings prepared by deposition of Si at 1250 ℃ for (a) 0.5, (b) 2, (c) 5 and (d) 8 h

Fig.4 Magnified BSE images of the coating prepared by deposition of Si at 1250℃ for 8 h: (a) coating and (b) transitional layer

Fig.5 Relationship between coating thickness and holding time (t) of the coatings prepared by deposition of Si at 1250℃

Fig.6 XRD spectra of the scale surfaces of the (a) coating prepared at 1250 ℃ for 8 h and (b) bare alloy after oxidized at 1250 ℃ for 10 h

Fig.7 Cross-sectional BSE images of the bare alloy after oxidation at 1250℃ for 10 h: (a)~(d) scale; (e) interface between scale and substrate

Fig.8 Cross-sectional BSE images of the coating prepared at 1250℃ for 8 h after oxidized at 1250 ℃ for 10 h: (a) and (b) scale; (c) transitional layer

1	K.S. Chan, D.L. Davidson,The fracture resistance and cracktip micromechanics of in·situ intermetallic composites, JOM, 48(9), 62(1996)
2	ZHENG Haizhong,LU Shiqian,XIAO Xuan ,LI Xin, WANG Kelu,DONG Xianjuan, Research progress on brittleness of Laves phase NbCr2 compounds at ambient temperature, Rare Metal Mater. Eng., 36(1), 178(2007)
2	(郑海忠, 鲁世强, 肖旋, 李鑫, 王克鲁, 董显娟, Laves相NbCr2室温脆性的研究进展, 稀有金属材料与工程, 36(1), 178(2007))
3	K. S. Chan,Alloying effects on fracture mechanisms in Nb-based intermetallic in-situ composites, Mat. Sci. Eng. A, 329, 513(2002)
4	ZHANG Mingjun,GUO Xiping, Microstructure and properties of Nb-Cr based multi-element alloy, Rare Metal Mater. Eng., 37(6), 984(2008)
4	(张明军, 郭喜平, Nb-Cr系多元合金的组织和性能, 稀有金属材料与工程, 37(6), 984(2008))
5	XIAO Xuan,LU Shiqiang,MA Yanqing, HU Ping,HUANG Minggang , NIE Xiaowu, Effect of MA and soft second phase on microstructures and properties of Cr/Cr2Nb composite materials, Rare Metal Mater. Eng., 37(1), 119(2008)
5	(肖璇, 鲁世强, 马燕青, 胡平, 黄铭刚, 聂小武, lang="CN">MA和软第二相对Cr/Cr2Nb复合材料组织与性能的影响, 稀有金属材料与工程, 37(1), 119(2008))
6	ZHENG Haizhong,LU Shiqian,ZHU Jianye, ZHOU Wei, Effects of Al on the microstructure and fracture toughness of NbCr2 alloys, Rare Metal Mater. Eng., 38(1), 80(2009)
6	(郑海忠, 鲁世强, 祝建业, 周伟, 合金元素Al对Laves相NbCr2显微组织及断裂韧性的影响, 稀有金属材料与工程, 38(1), 80(2009))
7	ZHENG Haizhong,LU Shiqian, WANG Kelu, SU Qian,NIE Xiaowu , Progress in studies on high temperature oxidation resistance of Laves phase NbCr2 compounds, Corr. Sci. Prot. Technol., 19(6), 427(2007)
7	(郑海忠, 鲁世强, 王克鲁, 苏倩, 聂小武, Laves相NbCr2高温抗氧化性研究的进展, 腐蚀科学与防护技术, 19(6), 427(2007))
8	M. P. Brady, J. H. Zhu, C. T. Liu, P. F. Tortorelli, L. R. Walker,Oxidation resistance and mechanical properties of Laves phase reinforced Cr in-situ composites, Intermetallics, 8(9-11), 1111(2000)
9	M. P. Brady, P. F. Tortorelli, L. R. Walker,Water vapor and oxygen/sulfur-impurity effects on oxidation and nitridation in single- and two-phase Cr-Nb alloys, Oxid. Met., 58(3/4), 297(2002)
10	T. Ohta, Y. Nakagawa, Y. Kaneno, H. Inoue, T. Takasugi,Microstructures and mechanical properties of NbCr2 and ZrCr2 Laves phase alloys prepared by powder metallurgy, J. Mater. Sci., 38(4), 657(2003)
11	ZHENG Haizhong,LU Shiqian, Effect of multiple elements Al, Si and Y on high temperature oxidation of Cr-20Nb alloys, Rare Metal Mater. Eng., 40(3), 433(2011)
11	(郑海忠, 鲁世强, Al,Si及Y多元合金化对Cr-20Nb合金高温氧化行为的影响, 稀有金属材料与工程, 40(3), 433(2011))
12	H. Z. Zheng, S. Q. Lu, J. Y. Zhu, G. M. Liu,Effect of Al additions on the oxidation behavior of Laves phase NbCr2 alloys at 1373 K and 1473 K, Int. J. Refr. Metals Hard Mater., 27(3), 659(2009)
13	S. Q. Lu,H. Z. Zheng , L. P. Deng, J. Yao, Effect of silicon on the fracture toughness and oxidation behavior of hot pressed NbCr2 alloys, Mater. Des., 51, 432(2013)
14	ZHENG Haizhong,LU Shiqiang, Effects of grain refinement on high temperature oxidation behavior of Cr-25Nb alloys, Rare Metal Mater. Eng., 39(10), 1082(2010)
14	(郑海忠, 鲁世强,晶粒细化对Cr-25Nb合金高温氧化行为的影响, 稀有金属材料与工程, 39(10), 1082(2010))
15	H. Z. Zheng, S. Q. Lu, Y. Huang,Influence of grain size on the oxidation behavior of NbCr2 alloys at 950-1200 oC, Corros Sci, 51(2), 434(2009)
16	H. Z. Zheng, S. Q. Lu, Q. Su, F. J. Quan, Study on scaling of mechanically alloyed and hot pressed NbCr2 Laves phase at 1200 oC in air, Int. J. Refr. Metals Hard Mater., 26(1), 1(2008)
17	ZHENG Haizhong, LU Shiqian, HUANG Yi, Effect of mechanical alloying on oxidation behavior at 1100℃ of Laves phase NbCr2 alloys by hot pressing synthesis, Rare Metal Mater. Eng., 38(10), 1026(2009)
17	(郑海忠, 鲁世强, 黄毅, 机械合金化对热压合成Laves相NbCr2合金1100℃氧化行为的影响, 稀有金属材料与工程, 38(10), 1026(2009))
18	B. P. Bewlay, M. R. Jackson,The effect of Hf and Ti additions on microstructure and properties of Cr2Nb–Nb in situ composites, J. Mater. Res., 11(8), 1917(1996)
19	B. P. Bewlay, H. A. Lipsitt, M. R. Jackson, W. J. Reeder, J. A. Sutliff,Solidification processing of high temperature intermetallic eutectic-based alloys, Mat. Sci. Eng. A, 192, 534(1995)
20	N. David, Y. Cartigny, T. Belmonte, J.M. Fiorani, M. Vilasi,Thermodynamic description of the Cr-Nb-Si isothermal section at 1473 K, Intermetallics, 14(4), 464(2006)
21	LI Ming,SONG Lixin, LE Jun, SONG Xueping, GUO Zhancheng, Microstructure and mechanism of pack siliconizing on niobium, J. Inorg. Mater., 20(3), 764(2005)
21	(李明, 宋力昕, 乐军, 宋学平, 郭占成, 铌表面固体粉末包埋渗硅研究, 无机材料学报, 20(3), 764(2005))
22	Y. Q. Qiao, X. P. Guo,Formation of Cr-modified silicide coatings on a Ti-Nb-Si based ultrahigh-temperature alloy by pack cementation process, Appl. Surf. Sci., 256(24), 7462(2010)
23	ZHAO Luxiang,GUO Xiping, JIANG Yuanyuan, Preparation and structural formation of oxidation-resistant silicide coatings on Nb-based alloy by pack cementation technique, Chin. J. Nonferrous Metal., 17(4), 576(2007)
23	(赵陆翔, 郭喜平, 姜嫄嫄, 铌基合金包埋渗法制备抗氧化硅化物涂层及其组织形成, 中国有色金属学报, 17(4), 576(2007))
24	B. V. Cockeram,Growth and oxidation resistance of boron-modified and germanium-doped silicide diffusion coatings formed by the halide-activated pack cementation method, Surf. Coat. Technol., 76(1), 20(1995)
25	Y. Du, J. C. Schuster,Experimental reinvestigation of the CrSi-Si partial system and update of the thermodynamic description of the entire Cr-Si system, J. Phase Equilib., 21(3), 281(2000)
26	P. Zhang, X. P. Guo,Y and Al modified silicide coatings on an Nb-Ti-Si based ultrahigh temperature alloy prepared by pack cementation process, Surf. Coat. Technol., 206(2), 446(2011)
27	LI Xuan,GUO Xiping, Effects of activators on formation of Si-Zr-Y co-deposition coatings on Nb-Ti-Si-Cr base ultrahigh temperature alloy, Acta Metall. Sin., 48(11), 1394(2012)
27	(李轩, 郭喜平, 催化剂对Nb-Ti-Si-Cr基超高温合金表面Si-Zr-Y共渗层组织的影响, 金属学报, 48(11), 1394(2012))
28	D. J. Derry, G. D. Lees,The oxidation behaviour of a niobium-chromium-nickel alloy, Corros. Sci., 16(4), 219(1976)

[1]	SHI Chang, DU Yuhang, LAI Liming, XIAO Siming, GUO Ning, GUO Shengfeng. Mechanical Properties and Oxidation Resistance of a Refractory Medium-entropy Alloy CrTaTi[J]. 材料研究学报, 2023, 37(6): 443-452.
[2]	SHAN Weiyao, WANG Yongli, LI Jing, XIONG Liangyin, DU Xiaoming, LIU Shi. High Temperature Oxidation Resistance of Cr Based Coating on Zirconium Alloy[J]. 材料研究学报, 2022, 36(9): 699-705.
[3]	GAO Wei, LIU Jiangnan, WEI Jingpeng, YAO Yuhong, YANG Wei. Structure and Properties of Cu₂O Doped Micro Arc Oxidation Coating on TC4 Titanium Alloy[J]. 材料研究学报, 2022, 36(6): 409-415.
[4]	YANG Liuyang, TAN Zhuowei, LI Tongyue, ZHANG Dalei, XING Shaohua, JU Hong. Dynamic Corrosion Behavior of Pipeline Defects Characterized by WBE and EIS Testing Techniques[J]. 材料研究学报, 2022, 36(5): 381-391.
[5]	LI Yufeng, ZHANG Nianfei, LIU Lishuang, ZHAO Tiantian, GAO Wenbo, GAO Xiaohui. Preparation of Phosphorus-containing Graphene and Corrosion Resistance of Composite Coating[J]. 材料研究学报, 2022, 36(12): 933-944.
[6]	LI Gang, WEN Ying, YU Zhongmin, LIU Jian, XIONG Zilian. Effect of Al Content on Properties of CrFeNiAl_xSi High Entropy Alloy[J]. 材料研究学报, 2021, 35(9): 712-720.
[7]	CHEN Yiwen, WANG Cheng, LOU Xia, LI Dingjun, ZHOU Ke, CHEN Minghui, WANG Qunchang, ZHU Shenglong, WANG Fuhui. Protective Performance of a Novel Inorganic Composite Coatings on CB2 Ferritic Heat Resistant Steel at 650℃ in Oxygen Flow with Water Vapor[J]. 材料研究学报, 2021, 35(9): 675-681.
[8]	LI Lingmei, HUANG Huizhen, ZHANG Qinghuan, SHUAI Gewang. Effect of P on Properties of Sn-9Zn-0.1S Lead-Free Solder[J]. 材料研究学报, 2021, 35(8): 615-622.
[9]	ZHANG Dalei, WEI Enze, JING He, YANG Liuyang, DOU Xiaohui, LI Tongyue. Construction of Super-hydrophobic Structure on Surface of Super Ferritic Stainless Steel B44660 and Its Corrosion Resistance[J]. 材料研究学报, 2021, 35(1): 7-16.
[10]	WANG Guanyi, CHE Xin, ZHANG Haoyu, CHEN Lijia. Low-cycle Fatigue Behavior of Al-5.4Zn-2.6Mg-1.4Cu Alloy Sheet[J]. 材料研究学报, 2020, 34(9): 697-704.
[11]	HUANG Anran, ZHANG Wei, WANG Xuelin, SHANG Chengjia, FAN Jiajie. Corrosion Behavior of Ferritic Stainless Steel in High Temperature Urea Environment[J]. 材料研究学报, 2020, 34(9): 712-720.
[12]	GONG Weiwei, YANG Bingkun, CHEN Yun, HAO Wenkui, WANG Xiaofang, CHEN Hao. In Situ SECM Observation of Corrosion Behavior of Carbon Steel at Defects of Epoxy Coating under AC Current Conditions[J]. 材料研究学报, 2020, 34(7): 545-553.
[13]	ZHU Jinyang, TAN Chengtong, BAO Feihu, XU Lining. CO₂ Corrosion Behaviour of A Novel Al-containing Low Cr Steel in A Simulated Oilfield Formation Water[J]. 材料研究学报, 2020, 34(6): 443-451.
[14]	LIANG Xinlei, LIU Qian, WANG Gang, WANG Zhenyu, HAN En-Hou, WANG Shuai, YI Zuyao, LI Na. Study on Corrosion Resistance and Thermal Insulation Properties of Graphene Oxide Modified Epoxy Thermal Insulation Coating[J]. 材料研究学报, 2020, 34(5): 345-352.
[15]	WANG Zhihu,ZHANG Jumei,BAI Lijing,ZHANG Guojun. Effect of Hydrothermal Treatment on Microstructure and Corrosion Resistance of Micro-arc Oxidization Ceramic Layer on AZ31 Mg-alloy[J]. 材料研究学报, 2020, 34(3): 183-190.

No Suggested Reading articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed