... Descriptors : *AGING(MATERIALS), *SEMICONDUCTOR DEVICES, *ACCELERATED TESTING, LIFE EXPECTANCY(SERVICE LIFE), COST ...
DTIC Science & Technology
... PHYSICAL PROPERTIES, HIGH TEMPERATURE, FABRICATION ... DATA ACQUISITION, TUNING, LIFE TESTS, ACCELERATED TESTING. ...
... Accession Number : ADD438667. Title : Accelerated Heat Age Testing of Phenolics: Morphological Changes Related to Fracture and Voids,. ...
influencing the process of mechanical degradation, chemical aging, and physical aging. The rates and degree of interaction of these three processes are ...
NASA Website
... AGING(MATERIALS), HIGH TEMPERATURE ... THERMAL CYCLING TESTS, ACCELERATED TESTING, THERMAL ... SHELF LIFE, FOAM, GEL ...
... AGING(MATERIALS), TEST METHODS, FUELS, ENGINES, INHIBITION, ACCELERATED TESTING, BROMINE, PEROXIDES, DISTILLATES. ...
... Descriptors : *Nitrile rubber, *Ozone, *Antioxidants, *Aging(Materials), Oxygen masks, Oxidation resistance, Accelerated testing, Test methods ...
The accelerated aging tests indicated that unsterilized. NS-IIA and Zr/KC104 can withstand the .... Thermograph of HNS-IIA After 183 Days Accelerated Aging ...
leveraging data from an accelerated aging tests on IGBTs. The accelerated aging test provided thermal- ... During high-voltage operation, large internal electrical ... rate of degradation. For prognostic purposes the externally ...
This document describes the results of accelerated aging tests to determine the long-term effectiveness of selected impoundment liner materials in a uranium mill tailings environment. The study was sponsored by the US Department of Energy under the Uraniu...
National Technical Information Service (NTIS)
... Title : THE PREDICTION OF SHELF-STORAGE LIFE IN RUBBERS FROM ACCELERATED HEAT AGEING TESTS. PART ...
... IGNITERS, AGING(MATERIALS), FAILURE, RATES, RELIABILITY, SURVEILLANCE, ACCELERATED TESTING, PYROTECHNICS, PYROGENS. ...
... AGING(MATERIALS), OXIDATION, ERROR ANALYSIS, ERRORS, SCALING FACTOR, PARTICULATES, STORAGE, FILTRATION, DISTILLATES. ...
for effective oxygen evolution (OER). Develop accelerated aging tests. Demonstrate improved OER catalyst lifetime and stability. ...
... Abstract : Current analyses dictate that for economic viability photovoltaic ... a relatively quick assessment can be made of the potential of present ...
New dielectric tapes were developed for a superconducting, flexible, ac power cable. Preliminary aging tests were performed. Tests show that the proposed system withstood frequency accelerated aging at a cable stress of 10 MV/m for an equivalent 60 Hz tim...
A method and test apparatus for carrying out testing on a variety of samples of polymer bonded to metal wherein the samples are subjected to an accelerated cathodic reaction causing cathodic delamination of the samples. In particular, a the method and tes...
A group of 36 book papers made in the NBS paper mill in 1937 were tested in 1937 before and after accelerated aging for 72 hours at 100C, and in 1973 after 36 years of natural aging. The data show that fairly good correlations exist between accelerated ag...
The effect of the age, occupation and physical training on the human tolerance to long term accelerations was investigated. 427 test subjects - fighter pilots, engineers, physicians and research workers were used in the experiments. The lowest tolerance w...
Batteries for solar photovoltaic applications and other terrestrial applications require long life in daily cycling regimes. There is a need to develop testing procedures to accelerate aging of electrochemical cells so that cycle life data can be acquired in less time than real time testing would require. The ...
Energy Citations Database
The purpose of this program was to study, investigate and develop test and measurement techniques for controllably accelerating the aging processes in tantalum thin film R-C networks, and to investigate the physics of failure associated with the networks....
A previously developed test design for accelerated aging of photovoltaic modules was experimentally evaluated. The studies included a review of relevant field experience, environmental chamber cycling of full size modules, and electrical and physical eval...
A previously developed test design for accelerated aging of photovoltaic modules was experimentally evaluated. The studies included a review of relevant field experience, environmental chamber cycling of full-size modules, and electrical and physical eval...
... The Accelerated Ageing of some Commercial Polyurethane Rubbers ,j 4~ ... r The Accelerated Ageing of some Commercial Polyurethane Rubbers by ...
The behavior of 138 kV nonceramic line post insulators is investigated by means of clean fog tests conducted before and after aging in a specially designed accelerated aging chamber. The laboratory aging cycles are justified on the basis of actual weather in the coastal regions of Florida. ...
Objectives are to develop a physical understanding of aging and failure in extruded cable insulations, and to develop accelerated tests for predicting the service life of such cables. Task 3 designed to verify aging models postulated during Task 2, is now...
We have carried out laboratory tests to measure the ageing of a wire tube due to pollutants outgassed by various materials. The tested materials are those used in the barrel muon drift tubes of the CMS experiment at LHC. An X-ray gun irradiated the test tube to accelerate the ...
E-print Network
NASA Astrophysics Data System (ADS)
We have carried out laboratory test to measure the ageing of a wire tube due to pollutant outgassed by various materials. The tested materials are those used in the muon barrel drift tubes. An X-ray gun irradiated the test tube to accelerate the ageing process. No ...
A thermally-accelerated aging study of 10 selected organic materials used in a fireset has been conducted. The study included both quantitative and qualitative gas analyses as well as the measurement of physical properties before and after accelerated aging. The test plan involved single ...
A DS-416 low voltage air circuit breaker manufactured by Westinghouse was mechanically cycled to identify age-related degradation in the various breaker subcomponents, specifically the power-operated mechanism. This accelerated aging test was performed on...
A previously developed test design for accelerated aging of photovoltaic modules was experimentally evaluated. The studies included a review of relevant field experience, environmental chamber cycling of full-size modules, and electrical and physical evaluation of the effects of accelerated ...
The results of accelerated aging for 20 hours in open glass containers, aging at 32.2/sup 0/C (90/sup 0/F) in vented glass bottles, and storage in steel tanks at ambient conditions were compared. Two different additives were rated on their ability to prevent deposits in the accelerated aging ...
This paper describes the dielectric and accelerated aging tests on prototype {plus minus}500 kV dc oil-filled self-contained cables. The extensive test program was required to evaluate the High-Voltage cables for the St. Lawrence river crossing of the {plus minus}500 kV Quebec-New England HVDC power transmission ...
... of Defense program has helped accelerate Russia's plans ... a test tube filled with aging waste material ... contained a very minute amount of plutonium. ...
... Corporate Author : ANACONDA WIRE AND CABLE CO MARION IND. Personal Author(s) : Ling,TH. Report Date : 1963. ...
experiments of virgin polytetrafluoroethylene (PTFE), glass-filled PTFE, ..... ( b) Cross-linking aging. Accelerated testing is pos ...
Aug 21, 2008 ... An Agile Accelerated Aging, Characterization and Scenario Simulation System for Gate Controlled Power Transistors, by Greg Sonnenfeld, ...
The deterioration of petroleum fuels was studied by investigation of their autoxidation susceptibilities. Federal and Military Specification fuels and commercial gasolines were subjected to a six-week accelerated aging test with analyses for generated hyd...
thereby a reduction in plutonium inventory required compared to alternative radioisotope ..... Short-term accelerated aging tests will also be completed by GRC. ...
Some results are presented of a continuing program at Sandia Laboratories whose main goal is to develop more reliable accelerated aging techniques for testing the effects of aging on materials. An interesting situation in accelerated aging occurs when two or more ...
An accelerated aging study of AlGaAs/GaAs solar cells has been completed. The purpose of the study was to identify the possible degradation mechanisms of AlGaAs/GaAs solar cells in terrestrial applications. Thermal storage tests and accelerated AlGaAs cor...
Two cable types, which currently are used in nuclear power plants (NPP) and which are composed by jacket/insulation materials, i.e. PVC/PVC and PVC/PE, were exposed to accelerated ageing conditions, in order to simulate their behavior after 10 years in service. The cables were aged under two different test ...
PBX 9502 is a plastic-bonded explosive composed of 95/5 wt% of triaminotrinitrobenzene (TATB) and Kel-F 800, respectively. The coupon test is an accelerated aging test which is being used to investigate what effects low and high levels of chlorine impurit...
This research program has the two basic objectives of developing an understanding of the basic mechanisms of dielectric aging and of developing an accelerated laboratory test for predicting the service life of underground power transmission cable insulate...
Several wire insulation constructions were evaluated with and without continuous glow discharges at low pressure and high temperature to determine the aging characteristics of acceptable wire insulation constructions. It was known at the beginning of the ...
Accelerated aging tests such as high temperature burn-in, which are in current use on Bendix Kansas City Division's (BKC) purchased small and medium scale integrated circuits, were evaluated to determine if they are effective and necessary to ensure the required reliability. A theoretical analysis, a literature search, and a ...
Thermally activated batteries using the lithium (silicon) iron disulfide (Li(Si)/FeS2) electrochemical system are used in weapons having a required storage life of 25 years and high reliability. A review of known data revealed no information on the compatibility of Li(Si)/FeS2 with the organic materials used in the system. The compatibility question is studied. ...
... a nEW PROcESS FOR THE ACCELERATION TEST AND EVALUATION OF AEROMEDICAL EQUIPMENT FOR ... acceleration Testing ...
The moisture aging effect and mechanism of asphalt binder during the in-service life of pavement were investigated by laboratory simulating tests. Pressure aging vessel (PAV) test simulating the long-term aging of binder during the in-service life of pavement was modified to capture the ...
Sep 13, 2010 ... IGBT accelerated aging data set. A dataset shared by ... Home> Nikunj Oza > Resources> IGBT accelerated aging data set. About DASHlink ...
Accelerated tests have been carried out on the ageing of protective silazane coatings on radiation concentrators by exposing them to ultraviolet radiation in a vacuum. Consistent results have been obtained under different conditions of exposure to ultraviolet radiation.
Batteries * Prefer fi eld-tested batteries from (pre) production PHEV/EVs * Accelerated aging via lab testing is also an option, but may not ensure correlation with actual fi eld...
National Renewable Energy Laboratory (NREL)
Technical investigations concerned the development of advanced cure chemistries for lamination type pottants; the continued evaluation of soil resistant surface treatments, and the results of an accelerated aging test program for the comparison of materia...
This report presents the results of an in-house investigation of the effect of proof testing and subsequent exposure to an accelerated aging environment of 140 deg F and 95% relative humidity for one particular fiberglass epoxy system. (Author)
Accelerated aging tests on gold bridgewired detonator assemblies to determine compatibility of the Au and Pd-In-Sn solder with the organic explosive, PENT, have revealed an unusual corrosion process. These tests, conducted at 74 deg C and 54 deg C indicat...
...elastomeric material used as a functional part of an edge sensor shall function as intended when subjected to: (i) Accelerated Aging Test of Gaskets, stated in paragraph (c)(3) of this section, and (ii) Puncture Resistance Test, stated in...
Code of Federal Regulations, 2011