Low-density foam can be machined precisely while frozen. Liquid nitrogen cools foam and aluminum heat sink prior to machining. Heat sink keeps part frozen during entire machining operation.
Cryogenic machining of polyurethane foam
NASA Tech Briefs ; 5 , 1
1980-08-01
Sonstige
Keine Angabe
Englisch
Europäisches Patentamt | 2023
|RESIN PREMIX, POLYURETHANE FOAM AND METHOD FOR PRODUCING POLYURETHANE FOAM
Europäisches Patentamt | 2019
|Kraftfahrwesen | 2001
|NTRS | 1985
|