Laboratory Performance Testing of Open-Graded Friction Course Mixtures

Author(s):  
Donald E. Watson ◽  
L. Allen Cooley ◽  
Kathryn Ann Moore ◽  
Kevin Williams
2014 ◽  
pp. 1807-1815
Author(s):  
Marwa Hassan ◽  
Louay Mohammad ◽  
Heather Dylla ◽  
Somayeh Asadi ◽  
Samuel Cooper

Author(s):  
James Drago

Abstract This paper presents laboratory performance testing of new technology utilizing a textured raised pattern on filled restructured PTFE (R-PTFE) sheet gasketing. The technology published in PVP2018-84039 and PVP2018-84040 and presented in Prague1,2 examined the load retention attributes of filled PTFE sheet gaskets with hexagonal/honeycomb surface texture in a miniaturized and standard raised face flange joints. This paper will show performance characteristics and comparisons to flat traditional R-PTFE gaskets. Data is presented on leak performance based on DIN-3535-4/6 and EN 13555, deflection under compressive load, bolt load retention and ASTM F36 compression and recovery. The paper gives a summary of results from a study of PTFE gasket users expressing their needs and desires for gasket performance. Examples of current field cases from chemical processors are also be presented.


2008 ◽  
Vol 32 (7) ◽  
pp. 566-571 ◽  
Author(s):  
Antoine P. Simons ◽  
Yuri Ganushchak ◽  
Pieter Wortel ◽  
Theo van der Nagel ◽  
Frederik H. van der Veen ◽  
...  

1961 ◽  
Vol 29 (11) ◽  
pp. 777-779 ◽  
Author(s):  
Georgeanne R. Caughlan ◽  
George C. Towe

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