Y. A. Chang

Thermodynamic Descriptions of NI Alloys Containing AL, CR, and RU: A Computational Thermodynamic Approach Coupled with Experiments (2006)

Chang, Y. A.

Shortly after initiating this program, we focused our effort to develop thermodynamic descriptions of temary Ni-Cr-Ru and Ni-Al-Ru including the constituent binaries when needed using the traditional...

Phase transformation in sputter-deposited PdMn and PdPtMn thin films (2006)

Huang, Mianliang, Chang, Y.A.

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TERNARY PHASE EQUILIBRIA IN TRANSITION METAL-BORON-CARBON-SILICON SYSTEMS. PART 4. THERMOCHEMICAL CALCULATIONS. VOLUME 1. THERMODYNAMIC PROPERTIES OF GROUP IV, V, AND VI BINARY TRANSITION METAL CARBIDES (2005)

Chang, Y. A.

All available data concerning the thermodynamic properties of the group IV, V, and VI binary metal carbides have been critically evaluated and the values judged to be most reliable were selected. The...

TERNARY PHASE EQUILIBRIA IN TRANSITION METAL-BORON-CARBON-SILICON SYSTEMS. PART 4. THERMOCHEMICAL CALCULATIONS, VOLUME 3. COMPUTATIONAL APPROACH TO THE CALCULATION OF TERNARY PHASE DIAGRAMS (2005)

Chang, Y. A.

The general conditional equations which govern the phase equilibria in three-component systems are presented. Using the general conditional equations, a general method has been developed to...

Bulkier glass formability enhanced by minor alloying additions (2005)

Ma, D., Cao, H.B., Ding, Ling, Chang, Y.A., Hsieh, K.C., Pan, Y.

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The formation of amorphous alloy oxides as barriers used in magnetic tunnel junctions (2005)

Yang, J.J., Yang, Ying, Kaisheng Wu, Chang, Y.A.

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Oxidation of tunnel barrier metals in magnetic tunnel junctions (2005)

Yang, J.J., Ladwig, P.F., Yang, Ying, Chengxiang Ji, Chang, Y.A., Liu, F.X., ...

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Paramagnetic to antiferromagnetic phase transformation in sputter deposited Pt-Mn thin films (2003)

Ladwig, P.F., Chang, Y.A., Linville, E.S., Morrone, A., Gao, J., Pant, B.B., ...

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Thermally stable, oxidation resistant capping technology for Ti/Al ohmic contacts to n-GaN (2002)

Pelto, C.M., Chang, Y.A., Yong Chen, Williams, R.S.

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Thermodynamic stability and diffusivity of near-equiatomic Ni-Mn alloys (2002)

Ding, Ling, Ladwig, P.F., Yan, Xinyan, Chang, Y.A.

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Thermal modeling of magnetoresistive heads in three dimensions (2001)

Ladwig, P.F., I-Fei Tsu, Chang, C.H., Chang, Y.A.

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Importance of reliable phase-equilibria in studying microsegregation in alloys - Al-Cu-Mg (2000)

Liang, H., Kraft, T., Chang, Y.A.

Low resistance ohmic contacts to n-GaN and n-AlGaN using NiAl (2000)

Ingerly, D.B., Chen, Y., Takeuchi, T., William, R.S., Chang, Y.A.

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Microstructure and microsegregation in Al-rich Al-Cu-Mg alloys (1999)

Xie, F.Y., Kraft, T., Zuo, Y., Moon, C.H., Chang, Y.A.

Näherungsmethode zur Kopplung von Wärmeflußberechnungen mit Mikroseigerungssimulationen (1999)

Kraft, T., Chang, Y.A., Exner, H.E.

Gefüge und Mikroseigerungen in ternären Al-Cu-Mg Legierungen (1999)

Kraft, T., Xie, F., Chang, Y.A.

The electrical behavior of Pt3In7 and NiIn contacts to p-GaN (1999)

Ingerly, D.B., Chang, Y.A., Chen, Y.

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ON THE ELASTIC AND THERMODYNAMIC PROPERTIES OF TRANSITION METAL CARBIDES. (1998)

CHANG,Y. A., TOTH,L. E., TYAN,Y. S.

The Relative Stabilities of Cr(sub 23)C(sub 6), Cr(sub 7)C(sub 3), and Cr(sub 3)C(sub 2) and the Phase Relationships in Ternary Cr-Mo-C System, (1998)

CHANG ,Y. A., NAUJOCK,D.

ELASTIC CONSTANTS OF CADMIUM FROM 300 TO 575 K. (1998)

CHANG ,Y. A., HIMMEL,L.

TERNARY PHASE EQUILIBRIA IN TRANSITION METAL-BORON-CARBON-SILICON SYSTEMS. PART II. TERNARY SYSTEMS. VOLUME V. TI-HF-B SYSTEM. (1998)

Chang, Y. A.

A complete phase diagram for the ternary alloy system titanium-hafnium-boron from 1000 C through the melting ranges of the diborides was established on the basis of X-ray, melting point and...

TERNARY PHASE EQUILIBRIA IN TRANSITION METAL-BORON-CARBON-SILICON SYSTEMS. PART II. TERNARY SYSTEMS. VOLUME IX. ZR-W-B SYSTEM AND THE PSEUDOBINARY SYSTEM TAB2-HFB2. (1998)

Chang, Y. A.

The solid state phase equilibria of the system Zr-W-B at 1400 C and the phase equilibria in the melting range for the four pseudobinary systems: ZrB2-W2B5-ZrB2-WB, ZrB2-W2B and ZrB2-W have been...

PHASE COMPATIBILITY STUDIES ON NICKEL-CHROMIUM-SILICON-CARBON BASE ALLOYS. VOLUME I. CONSTITUTION OF THE BINARY CHROMIUM-SILICON SYSTEM. (1998)

Chang, Y. A.

Phase relationships in the binary system Cr-Si have been established based on the melting point, X-ray, metallographic, and DTA studies. The three intermediate phases Cr3Si, Cr5Si3, and CrSi2 melt...

Experimental Determination of the Phase Equilibria of Aluminum-Rich Al-Li-Cu Alloys. (1998)

Chen, S. W., Beumler, H. W., Chang, Y. A.

The primary phases, reaction sequences, and temperatures during solidification of Al-rich Al-Li-Cu alloys were studied using optical microscopy, electron probe microanalysis (EPMA), X-ray diffraction...

Application of Thermodynamic Models to the Calculation of Solidification Paths of Al-Rich Al-Li Alloys. (1998)

Chen, S. W., Chang, Y. A.

Solidification paths of several Al-rich Al-Li alloys are reported; these results were obtained by using the approach invoking thermodynamic models in the solidification path calculations.

Stability and Reactions at Composite Interfaces of Titanium Aluminides With Potential Fiber Materials. (1998)

Dekock, J. A., Chang, Y. A., Zhang, M. X., Chen, O. Y.

The ti-al-o and ti-al-b phase diagrams at 1100 c were estimated using thermodynamic data available in the literature assuming no ternary phased in either of the systems. diffusion experiments...

Solidification - Communication: Discussion of "Effect of dendrite arm coarsening on microsegregation" (1998)

Kraft, T., Chang, Y.A.

An approximate method for coupling microscopic and macroscopic simulations using calculated phase diagrams (1998)

Kraft, T., Liang, H., Chang, Y.A.

Reply to “Comment on `Phase equilibria of the Ga-Ni-As ternary system'” [J. Appl. Phys. 82, 493 (1997)]” (1997)

Ingerly, D.B., Swenson, D., Jan, C.-H., Chang, Y.A.

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Thermally stable PdIn ohmic contacts to n-GaAs via exchange mechanism (1997)

Chen, D.Y., Chang, Y.A., Swenson, D.

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On the applicability of the Ivantsov growth equation (1997)

Zi-kui Liu, Chang, Y.A.

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Ohmic contacts to n-GaN using PtIn2 (1997)

Ingerly, D.B., Chang, Y.A., Perkins, N.R., Kuech, Thomas F.

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Phase equilibria of the Ga-Ni-As ternary system (1996)

Ingerly, D.B., Swenson, D., Jan, C.-H., Chang, Y.A.

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PtIn2 ohmic contacts to n-GaAs via an In-Ga exchange mechanism (1996)

Chen, D.Y., Chang, Y.A., Swenson, D.

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PdIn contacts to n-type and p-type GaP (1996)

Lin, C.-F., Ingerly, D.B., Chang, Y.A.

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Schottky barrier enhancement using reacted Ni2Al3/Ni/n-GaAs, Ni/Al/Ni/n-GaAs, and NiAl/Al/Ni/n-GaAs contacts (1995)

Chen, Charlie Chung-Ping, Chang, Y.A., Kuech, Thomas F.

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PdAl Schottky contact to In0.52Al0.48As grown by metalorganic chemical vapor deposition (1995)

Lin, C.-F., Chang, Y.A., Pan, N., Huang, J.-W., Kuech, Thomas F.

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Schottky enhancement of reacted NiAl/n-GaAs contacts (1994)

Chen, Charlie Chung-Ping, Chang, Y.A., Kuech, Thomas F.

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High Schottky barrier height of the Al/n-GaAs diodes achieved by sputter deposition (1994)

Chen, Charlie Chung-Ping, Chang, Y.A., Huang, J.-W., Kuech, Thomas F.

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Thermal stability of the interfaces between Co-, Ni-, and Fe-based ferromagnets in contact with selected nitrides MN (M=Al, B, Nb, Ta, Ti, and V)

Yang, Ying, Chang, Y.A., Jianhua Yang, Chengxiang Ji, Ladwig, P.F., Feng Liu, ...

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