Specific heat measurement of stable and metastable liquid Ti-Al alloys

K. Zhou; H. P. Wang; J. Chang; B. Wei

doi:10.1007/s00339-010-6168-0

Specific heat measurement of stable and metastable liquid Ti-Al alloys

K. Zhou, H. P. Wang, J. Chang, B. Wei

School of Physical Science and Technology

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

The specific heats of liquid Ti-20at.%Al and Ti-51at.%Al alloys are determined to be 33.01±2.75 and 31.27±2.91 J mol^-1 K^-1 in the stable superheated and metastable undercooled states by using an electromagnetic levitation drop calorimeter. The experimental temperature ranges are 1733-2133 K and 1511-1948 K, and maximum undercoolings of 230 (0.12 T _L) and 242 K (0.14 T _L) are achieved, respectively. On the basis of the experimental results, the specific heat dependence on the composition is obtained for binary Ti-Al alloys.

Original language	English
Pages (from-to)	135-137
Number of pages	3
Journal	Applied Physics A: Materials Science and Processing
Volume	103
Issue number	1
DOIs	https://doi.org/10.1007/s00339-010-6168-0
State	Published - Apr 2011

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abstract = "The specific heats of liquid Ti-20at.%Al and Ti-51at.%Al alloys are determined to be 33.01±2.75 and 31.27±2.91 J mol-1 K-1 in the stable superheated and metastable undercooled states by using an electromagnetic levitation drop calorimeter. The experimental temperature ranges are 1733-2133 K and 1511-1948 K, and maximum undercoolings of 230 (0.12 T L) and 242 K (0.14 T L) are achieved, respectively. On the basis of the experimental results, the specific heat dependence on the composition is obtained for binary Ti-Al alloys.",

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AU - Chang, J.

AU - Wei, B.

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N2 - The specific heats of liquid Ti-20at.%Al and Ti-51at.%Al alloys are determined to be 33.01±2.75 and 31.27±2.91 J mol-1 K-1 in the stable superheated and metastable undercooled states by using an electromagnetic levitation drop calorimeter. The experimental temperature ranges are 1733-2133 K and 1511-1948 K, and maximum undercoolings of 230 (0.12 T L) and 242 K (0.14 T L) are achieved, respectively. On the basis of the experimental results, the specific heat dependence on the composition is obtained for binary Ti-Al alloys.

AB - The specific heats of liquid Ti-20at.%Al and Ti-51at.%Al alloys are determined to be 33.01±2.75 and 31.27±2.91 J mol-1 K-1 in the stable superheated and metastable undercooled states by using an electromagnetic levitation drop calorimeter. The experimental temperature ranges are 1733-2133 K and 1511-1948 K, and maximum undercoolings of 230 (0.12 T L) and 242 K (0.14 T L) are achieved, respectively. On the basis of the experimental results, the specific heat dependence on the composition is obtained for binary Ti-Al alloys.

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Specific heat measurement of stable and metastable liquid Ti-Al alloys

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