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1
Statistical Analysis of Accelerated Temperature Aging of ...
1981-05-15

... Descriptors : *AGING(MATERIALS), *SEMICONDUCTOR DEVICES, *ACCELERATED TESTING, LIFE EXPECTANCY(SERVICE LIFE), COST ...

DTIC Science & Technology

2
Tuning and Aging Characteristics of Multisectionwide ...
1998-09-01

... PHYSICAL PROPERTIES, HIGH TEMPERATURE, FABRICATION ... DATA ACQUISITION, TUNING, LIFE TESTS, ACCELERATED TESTING. ...

DTIC Science & Technology

3
Accelerated Heat Age Testing of Phenolics: Morphological ...
1984-04-30

... Accession Number : ADD438667. Title : Accelerated Heat Age Testing of Phenolics: Morphological Changes Related to Fracture and Voids,. ...

DTIC Science & Technology

4
On the Use of Accelerated Test Methods for Characterization of ...

influencing the process of mechanical degradation, chemical aging, and physical aging. The rates and degree of interaction of these three processes are ...

NASA Website

5
Shelf Life Determination of an Epoxy Resin by Accelerated ...
1981-09-01

... AGING(MATERIALS), HIGH TEMPERATURE ... THERMAL CYCLING TESTS, ACCELERATED TESTING, THERMAL ... SHELF LIFE, FOAM, GEL ...

DTIC Science & Technology

6
Study of Fuel Deterioration and Additive-Inhibition.
1985-07-01

... AGING(MATERIALS), TEST METHODS, FUELS, ENGINES, INHIBITION, ACCELERATED TESTING, BROMINE, PEROXIDES, DISTILLATES. ...

DTIC Science & Technology

7
Ozone Ageing of Silicone Rubber and the Effects of Anti ...
1981-04-01

... Descriptors : *Nitrile rubber, *Ozone, *Antioxidants, *Aging(Materials), Oxygen masks, Oxidation resistance, Accelerated testing, Test methods ...

DTIC Science & Technology

8
AGING DEMONSTRATION - NASA Technical Report Server (NTRS)

The accelerated aging tests indicated that unsterilized. NS-IIA and Zr/KC104 can withstand the .... Thermograph of HNS-IIA After 183 Days Accelerated Aging ...

NASA Website

9
Prognostics for Electronics Components of Avionics Systems

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 ...

NASA Website

10
Accelerated Aging Tests of Liners for Uranium Mill Tailings Disposal.
1981-01-01

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)

11
THE PREDICTION OF SHELF-STORAGE LIFE IN RUBBERS ...
1967-05-01

... Title : THE PREDICTION OF SHELF-STORAGE LIFE IN RUBBERS FROM ACCELERATED HEAT AGEING TESTS. PART ...

DTIC Science & Technology

12
Storage Reliability of Missile Materiel Program. Igniters and ...
1976-05-01

... IGNITERS, AGING(MATERIALS), FAILURE, RATES, RELIABILITY, SURVEILLANCE, ACCELERATED TESTING, PYROTECHNICS, PYROGENS. ...

DTIC Science & Technology

13
Sources of Error in Accelerated Stability Test Methods for ...
1985-06-01

... AGING(MATERIALS), OXIDATION, ERROR ANALYSIS, ERRORS, SCALING FACTOR, PARTICULATES, STORAGE, FILTRATION, DISTILLATES. ...

DTIC Science & Technology

14
NASA SBIR/STTR Technologies

for effective oxygen evolution (OER). Develop accelerated aging tests. Demonstrate improved OER catalyst lifetime and stability. ...

NASA Website

15
Methodology For Designing Accelerated Aging Tests For ...
1977-02-01

... Abstract : Current analyses dictate that for economic viability photovoltaic ... a relatively quick assessment can be made of the potential of present ...

DTIC Science & Technology

16
Preliminary Ageing Tests on a Superconducting Cable Dilectric.
1980-01-01

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...

National Technical Information Service (NTIS)

17
Method and Test Chamber for Accelerated Aging of Materials and Bonds Subject to Corrosion Related Degradation.
2004-01-01

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...

National Technical Information Service (NTIS)

18
Comparison of Accelerated Aging of Book Papers in 1937 with 36 Years Natural Aging.
1974-01-01

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...

National Technical Information Service (NTIS)

19
Effect of Age, Occupation, and Physical Training on Human Tolerance to Long-Term Acceleration.
1989-01-01

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...

National Technical Information Service (NTIS)

20
Study of battery accelerated-testing techniques. Final report
1982-04-01

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

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21
Thin Film Accelerated Life Tests.
1966-01-01

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....

National Technical Information Service (NTIS)

22
Experimental Evaluation of the Battelle Accelerated Test Design for the Solar Array at Mead, Nebraska.
1982-01-01

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...

National Technical Information Service (NTIS)

23
Experimental Evaluation of the Battelle Accelerated Test Design for the Solar Array at Mead, Nebraska.
1982-01-01

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...

National Technical Information Service (NTIS)

24
THE ACCELERATED AGEING OF SOME COMMERCIAL ...
1967-01-18

... The Accelerated Ageing of some Commercial Polyurethane Rubbers ,j 4~ ... r The Accelerated Ageing of some Commercial Polyurethane Rubbers by ...

DTIC Science & Technology

25
Accelerated aging and flashover tests on 138 kV nonceramic line post insulators
1993-01-01

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. ...

Energy Citations Database

26
Basic Study of the Aging Process in Solid-Dielectric Cables. Third Annual Report.
1982-01-01

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...

National Technical Information Service (NTIS)

27
Test of the wire ageing induced by radiation for the CMS barrel muon chambers

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

28
Test of the wire ageing induced by radiation for the CMS barrel muon chambers
2001-06-01

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 ...

NASA Astrophysics Data System (ADS)

29
Test of the wire ageing induced by radiation for the CMS barrel muon chamber

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 ...

E-print Network

30
Fireset materials aging study
1982-07-01

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 ...

Energy Citations Database

31
Life testing of a low voltage air circuit breaker.
1992-01-01

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...

National Technical Information Service (NTIS)

32
Experimental evaluation of the Battelle accelerated test design for the solar array at Mead, Nebraska
1982-04-06

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 ...

Energy Citations Database

33
Evaluating additives for distillate fuels - field tests
1956-10-01

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 ...

Energy Citations Database

34
Evaluation of HVDC cables for the St. Lawrence crossing of Hydro-Quebec 500 kV DC Line. Part 1; Dielectric and accelerated aging tests on prototypes
1992-04-01

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 ...

Energy Citations Database

35
NUCLEAR NONPROLIFERATION: US Efforts to Help Other ...
2002-05-01

... of Defense program has helped accelerate Russia's plans ... a test tube filled with aging waste material ... contained a very minute amount of plutonium. ...

DTIC Science & Technology

36
THE SIGNIFICANCE OF ACCELERATED AGING TESTING OF ...

... Corporate Author : ANACONDA WIRE AND CABLE CO MARION IND. Personal Author(s) : Ling,TH. Report Date : 1963. ...

DTIC Science & Technology

37
RESEARCH REPORT - NASA Technical Report Server (NTRS)

experiments of virgin polytetrafluoroethylene (PTFE), glass-filled PTFE, ..... ( b) Cross-linking aging. Accelerated testing is pos ...

NASA Website

38
News - Test Simulation System Paper to Be Published

Aug 21, 2008 ... An Agile Accelerated Aging, Characterization and Scenario Simulation System for Gate Controlled Power Transistors, by Greg Sonnenfeld, ...

NASA Website

39
Investigation of the Autoxidation of Petroleum Fuels.
1966-01-01

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...

National Technical Information Service (NTIS)

40
GRC Supporting Technology for NASA's Advanced ... - GLTRS - NASA

thereby a reduction in plutonium inventory required compared to alternative radioisotope ..... Short-term accelerated aging tests will also be completed by GRC. ...

NASA Website

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41
Model for combined environment accelerated aging applied to a neoprene cable jacketing material
1978-01-01

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 ...

Energy Citations Database

42
Accelerated Aging of GaAs Concentrator Solar Cells.
1982-01-01

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...

National Technical Information Service (NTIS)

43
Comparison of cable ageing
2010-03-01

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 ...

NASA Astrophysics Data System (ADS)

44
PBX 9502 Coupon Test.
1979-01-01

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...

National Technical Information Service (NTIS)

45
Basic Study of the Aging Process in Solid-Dielectric Cables (Second Annual Report).
1982-01-01

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...

National Technical Information Service (NTIS)

46
Accelerated Aging Test Results for Aerospace Wire Insulation Constructions.
1995-01-01

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 ...

National Technical Information Service (NTIS)

47
Evaluation of high temperature accelerated aging tests used on integrated circuits. Final report
1986-04-01

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 ...

Energy Citations Database

48
Compatibility and accelerated aging study for Li(Si)/FeS/sub 2 thermally activated batteries
1983-12-01

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. ...

NASA Astrophysics Data System (ADS)

49
A New Process for the Acceleration Test and Evaluation of ...
2010-10-01

... a nEW PROcESS FOR THE ACCELERATION TEST AND EVALUATION OF AEROMEDICAL EQUIPMENT FOR ... acceleration Testing ...

DTIC Science & Technology

50
Effect of moisture on the aging behavior of asphalt binder
2011-08-01

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 ...

NASA Astrophysics Data System (ADS)

51
DASHlink - IGBT accelerated aging data set. - NASA

Sep 13, 2010 ... IGBT accelerated aging data set. A dataset shared by ... Home> Nikunj Oza > Resources> IGBT accelerated aging data set. About DASHlink ...

NASA Website

52
Technique of testing silazane coatings
1977-01-01

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.

Energy Citations Database

53
PHEV/EV Li-Ion Battery Secondary-Use Project, NREL (National...
2010-06-21

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)

54
Investigation of Test Methods, Material Properties, and Processes for Solar Cell Encapsulants.
1982-01-01

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...

National Technical Information Service (NTIS)

55
Effects of Proof Testing and Temperature/Humidity on a Candidate Viper Motor Case Material.
1977-01-01

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)

National Technical Information Service (NTIS)

56
Corrosion of Gold Bridgewire in Electronic Components.
1986-01-01

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...

National Technical Information Service (NTIS)

57
16 CFR 1211.12 - Requirements for edge sensors.
2011-01-01

...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

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