Add to ORKGA tribometer for the evaluation of liquid lubricants in vacuum is described. This tribometer is essentially a thrust bearing with three balls and flat races having contact stresses and ball motions similar to those in an angular contact ball bearing operating in the boundary lubrication regime. The friction coefficient, lubrication lifetime, and species evolved from the liquid lubricant by tribodegradation can be determined. A complete analysis of the contact stresses and energy dissipation together with experimental evidence supporting the analysis are presented
We present the findings of a test program performed by ESTL to evaluate the performance (friction an...
Coated self-lubricating spherical plain bearings (SSPBs) are a fairly key component of the space-swi...
Some of the advances in tribology that have been associated with aerospace mechanisms are discussed....
The NASA Lewis Research Center has developed a new way to evaluate the liquid lubricants used in bal...
Four different vacuum tribometers for the evaluation of liquid lubricants for space applications are...
The design and operation of a vacuum tribometer, based on the four-ball configuration, is described....
The design and operation of a vacuum tribometer, based on the four-ball configuration, is described....
The destruction rates of a perfluoropolyether (PFPE) lubricant, Krytox 143AC(TradeMark), subjected t...
Tribological characteristics of three PFPE\u27s (Fomblin Z, Demnum, and Krytox) were studied under h...
In this study, the decomposition of a multialkylated cyclopentane (MAC) and a perfluoro‐poly‐ether (...
Tribological characteristics of three PFPE's (Fomblin Z, Demnum, and Krytox) were studied under high...
Spacecraft mechanism engineers are severely limited in their lubricant selection, primarily due to t...
This paper presents the analysis of the world source letters [1-60] about liquid lubricants for lubr...
Lubrication contamination and degradation is one of the major causes of unexpected failure of tribol...
A spiral orbit tribometer (SOT) intended to characterize friction and wear phenomena has been constr...
We present the findings of a test program performed by ESTL to evaluate the performance (friction an...
Coated self-lubricating spherical plain bearings (SSPBs) are a fairly key component of the space-swi...
Some of the advances in tribology that have been associated with aerospace mechanisms are discussed....
The NASA Lewis Research Center has developed a new way to evaluate the liquid lubricants used in bal...
Four different vacuum tribometers for the evaluation of liquid lubricants for space applications are...
The design and operation of a vacuum tribometer, based on the four-ball configuration, is described....
The design and operation of a vacuum tribometer, based on the four-ball configuration, is described....
The destruction rates of a perfluoropolyether (PFPE) lubricant, Krytox 143AC(TradeMark), subjected t...
Tribological characteristics of three PFPE\u27s (Fomblin Z, Demnum, and Krytox) were studied under h...
In this study, the decomposition of a multialkylated cyclopentane (MAC) and a perfluoro‐poly‐ether (...
Tribological characteristics of three PFPE's (Fomblin Z, Demnum, and Krytox) were studied under high...
Spacecraft mechanism engineers are severely limited in their lubricant selection, primarily due to t...
This paper presents the analysis of the world source letters [1-60] about liquid lubricants for lubr...
Lubrication contamination and degradation is one of the major causes of unexpected failure of tribol...
A spiral orbit tribometer (SOT) intended to characterize friction and wear phenomena has been constr...
We present the findings of a test program performed by ESTL to evaluate the performance (friction an...
Coated self-lubricating spherical plain bearings (SSPBs) are a fairly key component of the space-swi...
Some of the advances in tribology that have been associated with aerospace mechanisms are discussed....