| Experimental investigation of the normal spectral emissivity and other thermophysical properties of pulse-heated Ni-Ti and Au-Ni alloys into the liquid phase |
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| 作者姓名： | B. Wilthan G. Pottlacher |
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| 作者单位： | lnstitut ftir Experimentalphysik, Technische Universi~t Graz, Petersgasse 16, 8010 Graz, Austria |
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| 基金项目： | [This work is financially supported by the “Austrian Science Fund - FWF”, Sensengasse 1, 1090 Vienna, under contract No. P 15055. ] |
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| 摘 要： | 1. Introduction Metal working industry needs accurate thermo- physical properties of liquid metals and alloys as input data for different simulation routines to im- prove the performance of their products. Within this paper we continue the systematic investigation of the dependence of emissivity of binary alloys on the relative concentration of the constituent elements (for a previous paper see 1]). 2. Experimental method A fast ohmic pulse heating technique is applied to heat metallic wire-s…
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| 关 键 词： | 常态光谱发射率 热物理性质 电阻系数 焓 脉冲加热 镍-钛合金 金-镍合金 液相 |
| 收稿时间： | 2006-06-21 |
Experimental investigation of the normal spectral emissivity and other thermophysical properties of pulse-heated Ni-Ti and Au-Ni alloys into the liquid phase |
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| B. Wilthan G. Pottlacher.Experimental investigation of the normal spectral emissivity and other thermophysical properties of pulse-heated Ni-Ti and Au-Ni alloys into the liquid phase[J].Rare Metals,2006,25(5):592-596. |
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| Authors: | B Wilthan G Pottlacher |
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| Affiliation: | 1. Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA 91125, USA;2. Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;3. Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA;4. Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;1. High Temperature Materials Unit, National Institute of Materials Science (NIMS), Sengen 1-2-1, Tsukuba, Ibaraki 305-0047, Japan;2. Research Laboratory, IHI Co., Yokohama, Japan;1. School of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China;2. Hubei Water Resources Research Institute, Wuhan 430070, China;1. Industrial Training Centre, Harbin Engineering University, Harbin 150001, China;2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;1. Battery Research Center, Korea Electrotechnology Research Institute, 12 Bulmosan-ro 10beon-gil, Changwon 642-120, Republic of Korea;2. Powder and Ceramics Division, Korea Institute of Materials Science, 797 Changwondaero, Changwon 642-831, Republic of Korea;3. Faculty of Applied Chemical Engineering, Chonnam National University, 300 Yongbong-dong, Gwangju 500-757, Republic of Korea;1. School of Mechanical and Electrical Engineering, Xuzhou Institute of Technology, Xuzhou 221111, China;2. Jiangsu Key Laboratory of Large Engineering Equipment Detection and Control, Xuzhou 221111, China;3. School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China |
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| Abstract: | In a previous paper it was shown that the normal spectral emissivity at 684.5 nm of a binary alloy can be lower than that of the pure constituent components. For the actual probes it was found that the observed values of normal spectral emissivity of the alloys are in between or higher than those of the pure constituent components. Experiments were conducted on the alloy systems Ni-Ti and Au-Ni. Their emissivity as well as electrical resistivity and enthalpy as a function of temperature is presented. |
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| Keywords: | normal spectral emissivity thermophysical properties resistivity enthalpy pulse-heating Ni-Ti alloy Au-Ni alloy liquid phase |
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