failure analysis of a missile locking hook from the f-14 jet. final rept

a comprehensive metallurgical examination of the missile hook was conducted at the u.s. army materials technology laboratory (mtl) to determine the probable cause of failure. the component is one of two launcher housing support points for the sparrow missile and is located on the f-14 jet. the missile hook failed while in service chemical..

generalized methodology for conducting industrial toxicity reduction evaluations (tres)

the u.s. environmental protection agency or state regulatory agencies, under the clean water act, can require industries which cannot achieve water quality based effluent limitations specified in their npdes permit to conduct a toxicity reduction evaluation (tre) the objective of the tre is to determine those actions necessary to reduce t..

influence of the fiber/matrix interface on damage development in cfrp (carbon fiber reinforced plastics)

carbon fibers are surface treated in order to obtain a good stress transfer between fiber and resin. a controlled oxidative surface treatment strongly improves the interfacial strength, depending on the treatment level. the influence of this surface treatment level on the damage development in a cross ply carbon epoxy laminate during mono..

x.2 limited flight test plan

the x.2 limited flight test plan is for the cyclocrane program. the principal objectives of the planned tests are to (1) assess a number of ground handling scenarios for the x.2 system to determine the preferred mix of ground support equipment (gse) and personnel for efficient and safe field operations, and (2) obtain specific performance..

bromaterialdagar: rapport fran ett seminarium i linkoeping 12-13 april 1989 arrangerat av vti och svenska fabriksbetongfoereningen (bridge building materials days. report from a conference in linkoeping, april 12-13, 1989, arranged by the swedish road and

papers presented at the conference were as follows: swedish bridges today. an overview; bridge standards 88; cement concrete. the corrosion resistance of concrete bridges - an overview; experience from stockholm highways department; against frost and salt; against frost and salt. vti research into alternative salts; field methods for asse..

revue de l'utilisation des procedes laser et faisceau d'electrons dans le domaine nucleaire. (review of the utilization of laser and electron beam methods in the nuclear domain)

the use of laser and electron beams by the nuclear industry for making components, fabricating fuels, waste processing, maintenance, and dismantling installations is reviewed. the advantages in welding include very rapid thermal cycles, deep weld zones with a restricted effect on surrounding material, and reduced residual stress. surface ..

primary events in olfactory reception. final rept. 1 aug 86-31 jul 89

the following major discoveries are reported on herein: 1 we have established procedures for the dissociation and reassembly of ciliary membranes from olfactory epithelium under conditions that allow survival of the olfactory adenylate cyclase. these studies represent a first step toward the molecular dissection and functional reconstitut..

characterizing the genotoxicity of hazardous industrial wastes and effluents using short-term bioassays

the paper demonstrates that short-term bioassays can reliably and expeditiously measure the genotoxic potential of hazardous industrial wastes and effluents. petrochemical wastes have been studied in detail, especially discharges from chemical manufacturing plants and textile and dye effluents. however, there is little information on effl..

electrostatic spraying with conductive liquids: thin, uniform polymer coatings can be applied in a water base normally impossible to charge. ntis tech note

this citation summarizes a one-page announcement of technology available for utilization. an electrostatic sprayer has been modified so that it can apply coating suspended or dissolved in electrically conductive liquids. the sprayer was developed to apply a water-base polyurethane coating to a woven, shaped polyester fabric. the coating p..

attaching precise mirrors to lightweight supports: mirrors would be formed on optical masters and glued in place. ntis tech note

this citation summarizes a one-page announcement of technology available for utilization. a technique has been proposed to form precise mirror surfaces on lightweight, rigid, imprecise graphite-composite substrates. the technique should enable the fabrication of lightweight mirrors of high surface finish suitable for use at short waveleng..