Closure to “Discussion of ‘Experimental Investigation of the Shear Strength of Lubricants Subjected to High Pressure and Temperature’” (1986, ASME J. Tribol., 108, pp. 577–578)

1986 ◽  
Vol 108 (4) ◽  
pp. 578-578
Author(s):  
E. Ho¨glund ◽  
B. Jacobson
Keyword(s):  
Experimental Investigation ◽  
High Pressure ◽  
Shear Strength ◽  
High Pressure And Temperature

Experimental Investigation of the Shear Strength of Lubricants Subjected to High Pressure and Temperature

1986 ◽  
Vol 108 (4) ◽  
pp. 571-577 ◽  
Author(s):  
E. Ho¨glund ◽  
B. Jacobson
Keyword(s):  
Experimental Investigation ◽  
High Pressure ◽  
Shear Strength ◽  
High Pressure And Temperature ◽  
Mineral Oils ◽  
Wide Range ◽  
Experimental Apparatus ◽  
Synthetic Lubricants ◽  
The Relationship ◽  
Natural And Synthetic

In order to evaluate the relationship between limiting shear strength and pressure for a lubricant an experimental apparatus has been built. Pressures up to 2.2 GPa and temperatures up to 200°C are attainable simultaneously. Thus the limiting shear strength-pressure relationship has been surveyed in a wide range. Several types of natural and synthetic lubricants have been tested. The results show that all the mineral oils tested behave in quite a similar way. Synthetic lubricants do not show this behaviour, but the relationship between limiting shear strength and pressure depends strongly upon the chemical base of the synthetic lubricants. The behaviour of grease does not differ from that of liquid lubricants. The pressures at which the lubricants change from a liquid to a solid behaviour have also been measured.

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2021 ◽  
Author(s):  
Egor Koemets ◽  
Timofey Fedotenko ◽  
Saiana Khandarkhaeva ◽  
Maxim Bykov ◽  
Elena Bykova ◽  
...  
Keyword(s):  
High Pressure ◽  
Chemical Stability ◽  
Early Earth ◽  
High Pressure And Temperature ◽  
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scholarly journals Experimental investigation and analytical modelling of shear strength of thin walled textile-reinforced UHPC beams

2021 ◽  
Vol 231 ◽  
pp. 111735
Author(s):  
Philipp Preinstorfer ◽  
Patrick Huber ◽  
Tobias Huber ◽  
Benjamin Kromoser ◽  
Johann Kollegger
Keyword(s):  
Experimental Investigation ◽  
Shear Strength ◽  
Analytical Modelling ◽  
Thin Walled

Chemical stability of FeOOH at high pressure and temperature, and oxygen recycling in early Earth history

2021 ◽  
Author(s):  
Egor Koemets ◽  
Timofey Fedotenko ◽  
Saiana Khandarkhaeva ◽  
Maxim Bykov ◽  
Elena Bykova ◽  
...  
Keyword(s):  
High Pressure ◽  
Chemical Stability ◽  
Early Earth ◽  
High Pressure And Temperature ◽  
Earth History
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