Experimental Study on the Interfacial Friction Behavior of Geogrids in Silt Mixing Rubble

Author(s):  
Rong Chen ◽  
Maotian Luan ◽  
Wei Zhao
1992 ◽  
Vol 114 (1) ◽  
pp. 13-18 ◽  
Author(s):  
F. Wang ◽  
J. G. Lenard

Ring compression tests were conducted at constant true strain rates in the temperature range of 900–975°C. The constant friction shear factor, m, was determined using a calibration chart. Scaling was permitted during the experiments in which a glass based lubricant was also used. Frictional conditions were affected most by the rate of strain; increasing it led to lower values of m.


2011 ◽  
Vol 12 (8) ◽  
pp. 3723-3728
Author(s):  
Ji-Ho Park ◽  
Young-Uk Kim ◽  
Kyeong-Han Jeong ◽  
Jung-Han Kim

Author(s):  
Dalong Yi

Interfacial friction is important for manufacturing processes using ultrasonic vibration since ultrasonic energy is transferred from horn to welding interfaces of work pieces through movement and contact behavior of surfaces. A 3D thermal-mechanical FE model is built to investigate the interfacial friction behavior of ultrasonic vibration by simulating a typical ultrasonic welding (UW) process which uses the technology of ultrasonic vibration to form material joints. The effects of friction coefficient of horn/work piece interface and coefficient of friction work converting to heat on the thermal-mechanical fields of welding interface are investigated.


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