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| 钯铁合金有序化转变与性能研究 |
| Research on Orderly Transition and Properties of Pd-Fe Alloys |
| Received:October 21, 2013 |
| DOI： |
| 中文关键词: 金属材料 钯铁合金 有序化转变 Pd3Fe有序相 电阻温度系数 气敏元件 |
| 英文关键词: metal materials Pd-Fe alloy orderly transition Pd3Fe ordered phase temperature coefficient of resistance gas sensor |
| 基金项目:云南省自然科学基金(2010ZC259)。 |
| Author Name | Affiliation | E-mail | | YIN Junmei | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | yinjunmei363@163.com | | WAN Jigao | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | | HUANG Bingxing | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | | LIAO Wei | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | | WU Haijun | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | | YangLijuan | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | | SHEN Liqin | State Key Laboratory of Advancde Technologies for Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Co. Ltd., Kunming 650106, China | slq@ipm.com.cn |
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| 中文摘要: |
| 采用特制的冷却结晶器制备出了细小等轴晶的钯铁合金铸锭，利用差热分析研究了钯铁合金的有序化转变规律，以及有序化转变对合金电学性能的影响，结果表明，Fe含量为15%~25%的PdFe合金中存在Pd3Fe有序相，合金在750~850℃范围内发生有序相转变，保温9 h有序化转变基本完成，Φ0.02 mm的Pd3Fe有序相合金细丝的电阻温度系数高达(6150~7650)×10-6/℃。 |
| 英文摘要: |
| The Pd-Fe alloy ingot with fine and equiaxed grains was prepared using the special solidification method. The orderly transition rules of PdFe alloy with different compositions were studied by differential thermal analysis. The relationship between the orderly transition and electrical properties of PdFe alloy was also studied. There was Pd3Fe ordered phase transition in the PdFe alloys with 15%~25% Fe and at 750~850℃ for 9 hours. The fine wire of 0.02 mm in diameter of Pd3Fe ordered phase has high temperature coefficient of resistance (6150~7650)×10-6/℃. |
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