ULTRASONIC VELOCITY MEASUREMENTS APPLIED TO PROCESS CONTROL OF METAL MATRIX COMPOSITES DENSIFICATION

机译：超声速度测量在金属基复合材料致密化过程控制中的应用

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From the experimental results and discussion shown above, the following conclusions can be drawn: 1. Both longitudinal (V_L) and shear (V_T) velocities increase approximately linearly with addition of SiC reinforcement in aluminum matrix. 2. Increase in V_L is higher than that in V_T for particular amount of increase in SiC content. 3. Particle size has considerable effect on longitudinal velocity and it is absent in shear velocity. 4. Longitudinal velocities in Al-SiC composites are lower for smaller Al to SiC particle size ratio and larger for higher ratio. 5. Similar relationships are observed in case of the elastic constants, E and G, respectively as seen in V_L and V_T.

机译：从上面的实验结果和讨论中，可以得出以下结论：1.在铝基体中添加SiC增强材料时，纵向（V_L）和剪切（V_T）速度近似线性增加。 2.对于SiC含量的特定增加量，V_L的增加高于V_T的增加。 3.粒度对纵向速度有很大影响，而剪切速度则没有。 4.对于较小的Al / SiC粒径比，Al-SiC复合材料的纵向速度较低，对于较高的比率，其纵向速度较大。 5.在弹性常数E和G的情况下，分别观察到相似的关系，如V_L和V_T所示。

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来源
《Annual Symposium on Quantitative Nondestructive Evaluation; 19980719-24; Snowbird,UT(US)》|1998年|P.1281-1288|共8页
会议地点 SnowbirdUT(US)
作者
M.H. Rahman; A.T. El-Sayed; Y.C. Chen; K. Salama;
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Mechanical Engineering Department University of Houston Houston, TX 77204-4792;

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正文语种 eng
中图分类无损探伤仪器;
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ULTRASONIC VELOCITY MEASUREMENTS APPLIED TO PROCESS CONTROL OF METAL MATRIX COMPOSITES DENSIFICATION

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