Propellant expulsion bladder for the Saturn 5/S-4B Quarterly report, 1 Nov. 1968 - 31 Jan. 1969
Fabrication and performance of gold foil-carboxy nitroso rubber laminate for fuel expulsion bladder of Saturn 5/S-4B stage
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Fabrication and performance of gold foil-carboxy nitroso rubber laminate for fuel expulsion bladder of Saturn 5/S-4B stage
Cryogenic flexibility of thin polymeric film plies for use as spacecraft positive expulsion bladders
Synthesis and characterization of highly fluorinated heterocyclic polymer systems for cryogenic bladders
Synthetic rubber polymer compounds and fabrication of hydrazine expulsion bladders for Mariner 69
Nitrogen tetroxide resistant positive propellant expulsion bladder for Saturn 5/S-4B stage made of electroformed gold and rubber laminate
Expulsion bladder equipped storage tank structure
Highly fluorinated heterocyclic polymers for cryogenic bladder applications
H ion increased activity effect on sodium transport across short circuited turtle bladder
ADP-ATP catalyzed exchange reaction in turtle bladder microsomes, using chromatographic measurements of conversion rates
Turtle bladder walls osmotic properties, discussing transmural water flow transient acceleration by sodium transport inhibition
Turtle bladders isolated mucosal and serosal fractions histological and physiological properties, discussing ion transport and oxygen consumption
Computer program for analysis of folding strains on composite bladder structures
Fatigue life prediction of composite bladder structures
Development and characteristics of elastomeric materials for positive expulsion bladders
Solution of command module and service module expulsion bladder repositioning problems
Sodium counterflow from serosal to mucosal surface of short-circuited acid-killed turtle bladder
Cycle life data are presented in terms of true maximum strain for four metals, two plastics, and two elastomers. The Coffin-Manson fatigue theory was applied for metals and plastics, and cut-growth fatigue theory for elastomers. The data are based on measurements made at room and elevated temperatures. It was found that double folds give rise to far severer folding strains than do simple folds. It was also found that, except for the elastomers, all the bladder materials develop surface cracks due to double folds after only one cycle. The findings indicate that metals, which are bets for premeation resistance, are worst for fatigue resistance, and vice versa for elastomers. The intermediate plastics were found to be unsatisfactory for both permeation and fatigue resistance for missions of extended duration.