Acta Metall Sin  1994, Vol. 30 Issue (14): 82-85    DOI:

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BEHAVIOUR OF OXYGEN AND CARBON IN Pt THIN FILM

WU Yunzhong;DING Qing;XU Meifang;WANG Weiyuan(Shanghai institute of Metallurgy;The Chinese Academy of Sciences)(Manuscript received 17 December;1992;in revised form 5 August;1993)

WU Yunzhong;DING Qing;XU Meifang;WANG Weiyuan(Shanghai institute of Metallurgy;The Chinese Academy of Sciences)(Manuscript received 17 December;1992;in revised form 5 August;1993). BEHAVIOUR OF OXYGEN AND CARBON IN Pt THIN FILM. Acta Metall Sin, 1994, 30(14): 82-85.

Abstract References Related Articles Recommended Metrics Download:  PDF(259KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Behaviours of O_2 and C in Pt thin film were observed by Auger spectroscopy to be limited by diffusion.The activation energy of O_2 diffusion into Pt is different,saying,0.98 and 0.44 eV at higher and lower than 1000℃ respectively.In a range of 550－1000℃ or 1000-1200℃,O_2 diffuses outward or inward Pt film,which may be purified or oxidized respectively.In the temperature range studied,the activation energy of C diffusion is equal to 0.52 eV.Its diffusion behaviour is identical to that of O_2 and the concentration of C in Pt film increases or decreases with increasing or decreasing O_2 content respectively. Key words:  diffusion      Pt film      oxygen      carbon      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1994/V30/I14/82 1BerryRJ．SurfSci,1978;76:4152VelhoLR,BartlettRW．MetallTrans,1972;3:653FergusonP,WestmacottKH,FisherRM．MaterSciTechnol,1985;1:53 [1] ZHENG Liang, ZHANG Qiang, LI Zhou, ZHANG Guoqing. Effects of Oxygen Increasing/Decreasing Processes on Surface Characteristics of Superalloy Powders and Properties of Their Bulk Alloy Counterparts: Powders Storage and Degassing[J]. 金属学报, 2023, 59(9): 1265-1278. [2] GONG Shengkai, LIU Yuan, GENG Lilun, RU Yi, ZHAO Wenyue, PEI Yanling, LI Shusuo. Advances in the Regulation and Interfacial Behavior of Coatings/Superalloys[J]. 金属学报, 2023, 59(9): 1097-1108. [3] LI Xiaohan, CAO Gongwang, GUO Mingxiao, PENG Yunchao, MA Kaijun, WANG Zhenyao. Initial Corrosion Behavior of Carbon Steel Q235, Pipeline Steel L415, and Pressure Vessel Steel 16MnNi Under High Humidity and High Irradiation Coastal-Industrial Atmosphere in Zhanjiang[J]. 金属学报, 2023, 59(7): 884-892. [4] LI Qian, LIU Kai, ZHAO Tianliang. Rust Formation Behavior and Mechanism of Q235 Carbon Steel in 5%NaCl Salt Spray Under Elastic Tensile Stress[J]. 金属学报, 2023, 59(6): 829-840. [5] WANG Zhoutou, YUAN Qing, ZHANG Qingxiao, LIU Sheng, XU Guang. Microstructure and Mechanical Properties of a Cold Rolled Gradient Medium-Carbon Martensitic Steel[J]. 金属学报, 2023, 59(6): 821-828. [6] CAO Shuting, ZHANG Shaohua, ZHANG Jian. Combustion Behavior of GH4061 Alloy in High Pressure and Oxygen-Enriched Atmosphere[J]. 金属学报, 2023, 59(4): 547-555. [7] LIAO Jingjing, ZHANG Wei, ZHANG Junsong, WU Jun, YANG Zhongbo, PENG Qian, QIU Shaoyu. Periodic Densification-Transition Behavior of Zr-Sn-Nb-Fe-V Alloys During Uniform Corrosion in Superheated Steam[J]. 金属学报, 2023, 59(2): 289-296. [8] XU Wenguo, HAO Wenjiang, LI Yingju, ZHAO Qingbin, LU Bingyu, GUO Heyi, LIU Tianyu, FENG Xiaohui, YANG Yuansheng. Effects of Trace Aluminum and Titanium on High Temper-ature Oxidation Behavior of Inconel 690 Alloy[J]. 金属学报, 2023, 59(12): 1547-1558. [9] LIU Lujun, LIU Zheng, LIU Renhui, LIU Yong. Grain Boundary Structure and Coercivity Enhancement of Nd90Al10 Alloy Modified NdFeB Permanent Magnets by GBD Process[J]. 金属学报, 2023, 59(11): 1457-1465. [10] PENG Zhiqiang, LIU Qian, GUO Dongwei, ZENG Zihang, CAO Jianghai, HOU Zibing. Independent Change Law of Mold Heat Transfer in Continuous Casting Based on Big Data Mining[J]. 金属学报, 2023, 59(10): 1389-1400. [11] LI Sai, YANG Zenan, ZHANG Chi, YANG Zhigang. Phase Field Study of the Diffusional Paths in Pearlite-Austenite Transformation[J]. 金属学报, 2023, 59(10): 1376-1388. [12] SHEN Yingying, ZHANG Guoxing, JIA Qing, WANG Yumin, CUI Yuyou, YANG Rui. Interfacial Reaction and Thermal Stability of the SiCf/TiAl Composites[J]. 金属学报, 2022, 58(9): 1150-1158. [13] LI Xifeng, LI Tianle, AN Dayong, WU Huiping, CHEN Jieshi, CHEN Jun. Research Progress of Titanium Alloys and Their Diffusion Bonding Fatigue Characteristics[J]. 金属学报, 2022, 58(4): 473-485. [14] HUA Yu, CHEN Jianguo, YU Liming, SI Yonghong, LIU Chenxi, LI Huijun, LIU Yongchang. Microstructure Evolution and Mechanical Properties of Dissimilar Material Diffusion-Bonded Joint for High Cr Ferrite Heat-Resistant Steel and Austenitic Heat-Resistant Steel[J]. 金属学报, 2022, 58(2): 141-154. [15] LIU Yuwei, GU Tianzhen, WANG Zhenyao, WANG Chuan, CAO Gongwang. Corrosion Behavior of Q235 and Q450NQR1 Exposed to Marine Atmospheric Environment in Nansha, China for 34 Months[J]. 金属学报, 2022, 58(12): 1623-1632. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed