scholarly journals Friction and Wear Characteristics of Lubricants for Alternative Refrigerant HFC 134a.

1997 ◽  
Vol 63 (612) ◽  
pp. 2845-2851
Author(s):  
Yuji YAMAMOTO ◽  
Seigo GONDO
Coatings ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 319
Author(s):  
Zhiguo Lu ◽  
Chuanyu Du ◽  
Qingcai Chen ◽  
Tianying Niu ◽  
Na Wang ◽  
...  

The friction and wear characteristics of spike-tooth material (65Mn steel) of Spike-Tooth Harrow in a two-stage peanut harvester were studied in this paper. The friction and wear tests of pin and disc on 65 manganese steel were carried out on the tribometer, then the wear loss and the friction coefficient were studied. The wear loss of the pin was acquired by calculating the mass of the pin before and after the experiment using an electronic balance. According to the actual working environment of peanut spring-finger, four variable parameters are set up: load, speed, soil moisture and soil type. The friction and wear characteristics of pins were studied under different loads, speeds and different soil environments. After wearing, the worn surface of the material was observed by scanning microscope and the wear mechanism was studied. The experimental results show that the wear of the pin increases with the increase of load and decreases with the increase of rotational speed in the same rotation number. Especially in the case of the sandy soil with 20% in moisture, a maximum wear loss of the pin is achieved.


2016 ◽  
Vol 83 ◽  
pp. 470-483 ◽  
Author(s):  
M.H. Mosarof ◽  
M.A. Kalam ◽  
H.H. Masjuki ◽  
Abdullah Alabdulkarem ◽  
M. Habibullah ◽  
...  

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