scholarly journals An experimental study on establishment of a high-volume common carotid-external carotid bypass model in dogs

2014 ◽  
Vol 9 (15) ◽  
pp. 696-702
Author(s):  
Ma Lin ◽  
Ren Hecheng ◽  
Li Jialin ◽  
Zhang Xiangmao ◽  
Huang Ying
Keyword(s):  
Experimental Study ◽  
High Volume ◽  
External Carotid

scholarly journals Experimental Study of Structural Concrete Strength in Massive Concrete Elements Made of New High-Volume BFS Cement

◽  
2016 ◽  
Author(s):  
Kohsuke Ishizeki ◽  
◽  
Tetsushi Kanda ◽  
Kazuhisa Yoda ◽  
Masarou Kojima ◽  
...  
Keyword(s):  
Experimental Study ◽  
Concrete Strength ◽  
High Volume ◽  
Structural Concrete ◽  
Massive Concrete ◽  
Concrete Elements

scholarly journals Rotary ultrasonic machining of SiCp/Al composites: An experimental study on cutting force and machinability

2019 ◽  
Vol 11 (12) ◽  
pp. 168781401989832
Author(s):  
Ming Wang ◽  
Wei Zheng ◽  
Ming Zhou ◽  
Qun Zhang
Keyword(s):  
Experimental Study ◽  
Cutting Force ◽  
Volume Fraction ◽  
High Volume ◽  
Processing Parameters ◽  
Grinding Force ◽  
Ultrasonic Machining ◽  
Processing Quality ◽  
Rotary Ultrasonic Machining ◽  
The Cost

To improve the processing quality and reduce the cost of SiCp/Al composites has become a key problem for its application. Rotary ultrasonic machining is highly suitable for machining of SiCp/Al composites with a medium or high volume fraction of reinforced phase, and the processing quality and efficiency could be improved greatly. In this article, the rotary ultrasonic machining experiments were performed for the SiCp/Al composites reinforced with 45% volume fraction, and the effects of processing parameters on the cutting force of face and flank machining were studied. The cutting force values reduce significantly, and the grinding force ratios Fn/ Ft of face and flank machining are 2.843 and 1.336, respectively, which indicate that better machinability can be achieved for SiCp/Al composites using rotary ultrasonic machining.

Experimental Study on Precision Milling of High Volume Fraction SiCP/Al Composites with PCD End Mills

2013 ◽  
Vol 770 ◽  
pp. 100-105 ◽  
Author(s):  
Qi Wu ◽  
Liang Li ◽  
Rong Bian ◽  
Zhen Yu Shi ◽  
Ning He
Keyword(s):  
Experimental Study ◽  
Surface Roughness ◽  
Tool Wear ◽  
Volume Fraction ◽  
High Volume ◽  
Cutting Parameters ◽  
High Volume Fraction ◽  
Experimental Result ◽  
Machined Surface ◽  
End Mills

This paper presents an experimental study on precision milling of high volume fraction SiCP/Al composites with single flute polycrystalline diamond (PCD) end mills. Based on a series of tests, the present study is focused on surface roughness of machined surface and tool wear of single flute PCD end mills. The effect of cutting parameters such as feed per tooth (fz) and depth of cut (ap) on the machined surface roughness (Ra) was investigated. Tool wear was also inspected and analyzed by Scanning Electron Microscope (SEM). According to the results of experiment, there is a layer of aluminum covered on the machined surface. This layer of aluminum can improve the machined surface quality. Through the comparsion of surface roughness in different cutting parameters, it can decrease surface roughness (Ra) by means of using very small cutting parameters. Flank wear and chipping are two main kinds of tool wear. The observed wear mechanism of PCD tools is abrasive wear and adhesive wear. The purpose of this study is to provide an experimental result for further investigation on milling of high volume fraction SiCP/Al composites.

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