MIL-STD-801D
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM INTERNATIONAL) ASTM D751 - Standard Test Methods for Coated Fabrics
(Copies are available from www.astm.org or ASTM International, 100 Barr Harbor Drive, West
Conshohocken, PA 19428-2959.)
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. DEFINITIONS
3.1 Abrasion. The wearing away of a fabric or coating surface caused by friction.
3.2 Activation. A condition that occurs in self-sealing fuel cells in which fuel comes in contact with the sealant ply, causing the sealant to swell and become spongy.
3.3 Adhesion. The strength of bond between cured adhesive and the surface to which the sealant is applied, or the strength of bond between a cured rubber surface or surfaces and a non- rubber surface. The interfacial bond strength between an adhesive and the corresponding substrate (rubber or fabric in fuel cells.)
3.4 Adhesive. A material that is used to structurally join two or more pieces of structure.
3.5 Approved rework procedures. Approved rework procedures are those rework procedures that have been approved by the fuel cell design authority.
3.6 Back rind. Back rind is a surface blemish defect caused by mold flash material becoming folded inside a fitting cavity.
3.7 Baffle shoes. Baffle shoes are fabric straps usually having holes protected by grommets. These straps are attached to the liner of the fuel cell for the purpose of securing the internal baffles.
3.8 Barrier. A film, typically pure nylon, usually located immediately behind the inner liner of all fuel cells, which prevents the diffusion of fuel through the remaining plies of the cells.
3.9 Bleeder cords. Bleeder cords are cords which are built between the plies for the purpose of evacuating solvents and trapped air from between plies of a fuel cell.
3.10 Bleeder patch. A bleeder patch is a patch on the outside of a fuel cell, which covers the cut ends of bleeder cords.
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