Elastic constants of single crystal Cr_3Si and Cr-Cr_3Si lamellar eutectic composites: a comparison of ultrasonic and nanoindentation measurements

H. Bei; E.P. George; G.M. Pharr

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Elastic constants of single crystal Cr_3Si and Cr-Cr_3Si lamellar eutectic composites: a comparison of ultrasonic and nanoindentation measurements

机译：单晶Cr_3Si和Cr-Cr_3Si层状共晶复合材料的弹性常数：超声和纳米压痕测量的比较

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The elastic constants of high quality single crystals of Cr_3Si (cubic A15 crystal structure) grown in an optical floating zone furnace were measured by ultrasonic methods and compared to the indentation modulus determined by nanoindentation techniques. The measured indentation moduli are within 5 percent of the Vlassak-Nix predictions for elastically anisotropic materials provided a correction is made for the triangular cross-section of the Berkovich indenter. The indentation moduli of individual lamellae in a directionally solidified Cr-Cr_3Si lamellar eutectic composite were also measured to examine how well the procedures apply to small microstructural features.

机译：通过超声方法测量在光学浮区炉中生长的高质量Cr_3Si单晶（立方A15晶体结构）的弹性常数，并将其与通过纳米压痕技术确定的压痕模量进行比较。如果对Berkovich压头的三角形横截面进行了校正，则测得的压痕模量将在弹性各向异性材料的Vlassak-Nix预测值的5％之内。还测量了定向凝固的Cr-Cr_3Si层状低共熔复合材料中单个薄片的压痕模量，以检查该程序对小型微结构特征的适用程度。

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《Scripta materialia》 |2004年第9期|共5页
作者
H. Bei; E.P. George; G.M. Pharr;
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正文语种 eng
中图分类金属学与热处理;
关键词
Chromium silicide; Elastic constants; Nanoindentation;

机译：硅化铬;弹性常数;纳米压痕;

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1. Elastic constants of single crystal Cr_3Si and Cr-Cr_3Si lamellar eutectic composites: a comparison of ultrasonic and nanoindentation measurements [J] . H. Bei, E.P. George, G.M. Pharr Scripta materialia . 2004,第9期

机译：单晶Cr_3Si和Cr-Cr_3Si层状共晶复合材料的弹性常数：超声和纳米压痕测量的比较
2. Elastic constants of single-crystal TiN_x(001) (0.67≤x≤1.0) determined as a function of x by picosecond ultrasonic measurements [J] . Taeyoon Lee, K. Ohmori, C.-S. Shin, Physical review. B, Condensed Matter And Materals Physics . 2005,第14期

机译：皮秒超声测量确定TiN_x（001）（0.67≤x≤1.0）的弹性常数作为x的函数
3. Measurement of Elastic Constants at Low Temperatures by Means of Ultrasonic Waves–Data for Silicon and Germanium Single Crystals, and for Fused Silica [J] . McSkimin H. J. Journal of Applied Physics . 1953,第8期

机译：借助超声波测量低温下的弹性常数–硅和锗单晶以及熔融石英的数据
4. Estimation of Single-Crystal Elastic Constants from Ultrasonic Measurements on Polycrystalline Specimens [C] . P. Haldipur, F. J. Margetan, R. B. Thompson Conference on Review of progress in quantitative nondestructive evaluation . 2004

机译：从多晶体样品上超声测量的单晶弹性常数估计
5. Laser-ultrasonic Measurement of Single-crystal Elastic Constants from Polycrystalline Samples by Measuring and Modeling Surface Acoustic Wave Velocities [D] . Du, Xinpeng 2018

机译：通过测量和建模表面声波速度对多晶样品中的单晶弹性常数进行激光超声测量
6. A Method for Determining the Elastic Constants of a Cubic Crystal from Velocity Measurements in a Single Arbitrary Direction; Application to SrTiO3 [O] . J. B. Wachtman Jr., M. L. Wheat, S. Marzullo 1963

机译：一种从单向任意速度测量确定立方晶体弹性常数的方法；在SrTiO3中的应用
7. Measurements of elastic constants of ceramic composites using ultrasonic plate mode antiresonances [O] . W. Wang, S. I. Rokhlin 1990

机译：超声板模式防阳陶瓷复合材料弹性常数的测量
8. Ultrasonic Determination of Combinations of Third-Order Elastic Constants of Small Cubic Single Crystals [R] . Blackburn, B. D. 1981

机译：超声波测定小立方单晶三阶弹性常数的组合

Elastic constants of single crystal Cr_3Si and Cr-Cr_3Si lamellar eutectic composites: a comparison of ultrasonic and nanoindentation measurements

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