Main View
This view is used for searching all possible sources.
First Page Previous Page 1 2 3 Next Page Last Page
 
1
Accelerated Life Structural Benchmark Testing for a ... - GLTRS - NASA

Accelerated Life Structural Benchmark Testing for a .... Martin, Infinia Corporation, and NASA Glenn Research Center are developing a high-efficiency, 110 W ...

NASA Website

2
Alleviation of Buffet on the Twin-Tail Assemblies of High ...
2001-10-31

... METHODOLOGY, VIBRATION, HIGH RATE, FATIGUE LIFE, PERFORMANCE ... STRUCTURAL PROPERTIES, ACCELERATION, EXCITATION ...

DTIC Science & Technology

3
Titanium Fan Disc Structural Life Prediction/Correlation ...
1982-10-01

... cancelled), Joint Staff and other US Military (ie, Army, Navy, Air ... for correlation to the experimentally determined life for an accelerated duty cycle. ...

DTIC Science & Technology

4
Structures and Acoustics Division 1996 Annual Report

In current accelerated testing methods, typically the speeds, loads, or temperatures are increased in order to simulate a high cycle life in a short period ...

NASA Website

5
ACCELERATED LIFE TESTING OF METALLIC RECTIFIERS
1953-03-31

... ACCELERATED LIFE TESTING OF METALLIC RECTIFIERS ... FACTORS AFFECTING LIFE CHARACTERISTICS CF METALLIC RECTIFIERS ...

DTIC Science & Technology

6
High Current Induction Accelerators.
1984-06-12

... INDUCTION SYSTEMS, *ELECTRON ACCELERATORS, *PARTICLE ACCELERATORS, IMPEDANCE, BETATRONS, NUCLEAR STRUCTURE. ...

DTIC Science & Technology

7
Accelerated Decompression Using Oxygen for Submarine ...
2000-12-01

... REPORTS, EFFICIENCY, HIGH PRESSURE ... SUBMARINES, ACCELERATED TESTING, DECOMPRESSION ... ENGINEERING LIFE SUPPORT ...

DTIC Science & Technology

8
Temperature and Temperature Gradients for Accelerated Life ...
1972-08-01

... Accession Number : AD0748252. Title : Temperature and Temperature Gradients for Accelerated Life Tests of Nickel-Cadmium Cells. ...

DTIC Science & Technology

9
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

10
RELIABILITY OF CRT: ITS LIFE AND ACCELERATION ...
1986-10-01

... Accession Number : ADD878579. Title : RELIABILITY OF CRT: ITS LIFE AND ACCELERATION EVALUATION METHOD. Corporate Author : ...

DTIC Science & Technology

11
Cathodic Delamination Accelerated Life Test Method
2007-07-30

... Page 2. CATHODIC DELAMINATION ACCELERATED LIFE TEST METHOD ... a 1:est for cathodic delamination of such materials in water. ...

DTIC Science & Technology

12
ACCELERATED LIFE TESTING OF METALLIC RECTIFIERS
1953-03-31

... Accession Number : AD0014184. Title : ACCELERATED LIFE TESTING OF METALLIC RECTIFIERS. Descriptive Note : Quarterly rept. no. ...

DTIC Science & Technology

13
ACCELERATED LIFE TESTING EFFECTS ON CMOS ...
1977-07-01

... Title : ACCELERATED LIFE TESTING EFFECTS ON CMOS MICROCIRCUIT CHARACTERISTICS. Corporate Author : Report Date : JUL 1977. ...

DTIC Science & Technology

14
ACCELERATED LIFE TESTING EFFECT ON CMOS ...
1977-07-01

... ADD873178. Title : ACCELERATED LIFE TESTING EFFECT ON CMOS MICROCIRCUIT CHARACTERISTICS. Corporate Author : ...

DTIC Science & Technology

15
Understanding Senile Dementia: A Challenge for the Future.
1982-12-01

Reviews causes of dementia in later life, especially the Alzheimer's type, its prevalence, the characteristic structural changes, and hypothesized causes. The hypothesis that Alzheimer's disease represents accelerated aging is described. Treatment issues are discussed, primarily in terms of supportive environments, differential ...

ERIC Educational Resources Information Center

16
BATTERIES, EAGLE-PICHER EP-975-WM ACCELERATION ...
1956-05-29

... Descriptors : *STORAGE BATTERIES, *WET CELLS, ACCELERATION, ACCELERATION, LIFE EXPECTANCY(SERVICE LIFE), ELECTROLYTES ...

DTIC Science & Technology

17
Correlation of Wafer Level QA Tests with Functional Device Yield and Accelerated Life Test Results.
1995-01-01

This report covers work that was to correlate wafer level test structure tests with life tests by utilizing test structures collocated with a RAM-like device. Wafer level tests for oxide breakdown, electromigration, and hot carrier degradation were conduc...

National Technical Information Service (NTIS)

18
Nonparametric Estimation from Accelerated Life Tests with Random Censorship.
1984-01-01

For an accelerated life test, let V sub 1,...,V sub k denote k fixed accelerated stresses and let V sub 0 be the normal stress. It is assumed that the probability distributions corresponding to the accelerated stresses differ from the nonaccelerated life ...

National Technical Information Service (NTIS)

19
THE EFFECT OF ATMOSPHERE ON ANORMALOUS ...
1976-09-01

... LIFE OF SUPERALLOYS AT HIGH TEMPERATURE IN ... AN EXTENDED RUPTURE LIFE TOOK PLACE ... WHERE AN ACCELERATION SHOULD BE ...

DTIC Science & Technology

20
Critical current density in railgrun accelerators with composite electrodes
1995-11-01

The present paper is intended to study the possibilities of increasing the critical current density in railgun accelerators using composite electrodes of various structure. Before proceeding to the analysis this way, it should be noted that the requirements for materials selected for the rails go beyond the values of the current density. In real practice ...

Energy Citations Database

First Page Previous Page 1 2 3 Next Page Last Page
 
First Page Previous Page 1 2 3 Next Page Last Page
 
21
Accelerated Methods for the Determination of Long Term Fatigue Properties of Glass Reinforced Plastics for Rotor Craft Applications.
1997-01-01

The aim of this work was to develop an accelerated and cost effective method of generating long term fracture data for use in life prediction analysis of structures. Two materials were used in this project. These were S2/8552 and S2/F584, both glass epoxy...

National Technical Information Service (NTIS)

22
ELECTROFORMING OF LINEAR ACCELERATOR ...
1957-06-01

... Accession Number : AD0135048. Title : ELECTROFORMING OF LINEAR ACCELERATOR STRUCTURES. Descriptive Note : Technical rept.,. ...

DTIC Science & Technology

23
Study of the influence of boron on the structure and mechanical properties of stabilized austenitic stainless steels at room and high temperatures
1975-01-01

The influence of boron additions on the structural hardening obtained by quenching and tempering and on the creep behavior of stabilized austenitic stainless steels was studied. It was shown that boron accelerates the structural hardening and raises the maximum yield strength. It also increases greatly the ...

Energy Citations Database

24
Guidance for Preparation of a Life Cycle Environment Profile ...
1995-06-01

... LIFE), HAZARDS, HIGH TEMPERATURE ... ENVIRONMENTAL TESTS, LIFE CYCLES ... STORAGE, AUSTRALIA, ACCELERATED TESTING, THERMAL ...

DTIC Science & Technology

25
Periodic Permanent Magnetic Structure for Accelerating ...
1989-10-23

... Accession Number : ADD014333. Title : Periodic Permanent Magnetic Structure for Accelerating Charged Particles. Descriptive ...

DTIC Science & Technology

26
Theoretical Investigations of Plasma-Based Accelerators and Other Advanced Accelerator Concepts
2004-05-21

Theoretical investigations of plasma-based accelerators and other advanced accelerator concepts. The focus of the work was on the development of plasma based and structure based accelerating concepts, including laser-plasma, plasma channel, and microwave driven plasma accelerators.

DOE Information Bridge

27
Physics division annual report 2006.
2008-02-28

This report highlights the activities of the Physics Division of Argonne National Laboratory in 2006. The Division's programs include the operation as a national user facility of ATLAS, the Argonne Tandem Linear Accelerator System, research in nuclear structure and reactions, nuclear astrophysics, nuclear theory, investigations in medium-energy ...

DOE Information Bridge

28
Using Accelerated Hydrolytic Reversion Data to Predict ...
1971-02-01

... the service life of two ... data obtained at high temperatures and ... MATERIALS), DEGRADATION, ACCELERATED TESTING, HUMIDITY, REACTION ...

DTIC Science & Technology

29
Reliability of Compound Semiconductor Devices for Space ... - NASA

reasonable amount of time, an accelerated life test at high temperatures is used . This type of accelerated test is based on the observation that ...

NASA Website

30
Proceedings of the SAFE Association Annual Symposium ...

... in high onset rate, high sustained +GZ ... SURVIVAL KITS, *LIFE SUPPORT SYSTEMS, ACCELERATION, ACCELERATION TOLERANCE ...

DTIC Science & Technology

31
Proceedings of the SAFE Association Annual Symposium ...

... ESCAPE SYSTEMS, *LIFE SUPPORT SYSTEMS ... SURVIVAL KITS, ACCELERATION, ACCELERATION TOLERANCE ... FLIGHT CREWS, HIGH ...

DTIC Science & Technology

32
Peak Acceleration Device (PAD).
1987-10-01

... to efforts to reduce loss of life, injury and ... the design of the peak acceleration device (PAD ... rugged aluminum casing that provides high resistance to ...

DTIC Science & Technology

33
Compound Semiconductor Devices for Space Applications - NASA

reasonable amount of time, an accelerated life test at high temperatures is used . This type of accelerated test is based on the observation that ...

NASA Website

34
Accelerated Aging System for Prognostics of Power Semiconductor ...

degradation models and prediction of remaining useful life. The accelerated aging system is designed for the exploration of intrinsic degradation mechanisms ...

NASA Website

35
ACCELERATED TEST TECHNIQUES FOR MICROCIRCUITS ...
1975-01-24

... TECHNIQUES FOR MICROCIRCUITS - EVALUATION OF HIGH TEMPERATURE (473K - 573K) ACCELERATED LIFE TEST TECHNIQUES ...

DTIC Science & Technology

36
Photonic Crystal Laser-Driven Accelerator Structures.
2007-01-01

Laser-driven acceleration holds great promise for significantly improving accelerating gradient. However, scaling the conventional process of structure-based acceleration in vacuum down to opticalerent kind of structure. We require an optical waveguide th...

National Technical Information Service (NTIS)

37
Development and Investigation of Electromagnetic Characteristics for Modifications of Accelerating Structure of Heavy Ion Linear Accelerator.
1982-01-01

A review on large-scale investigations on the development of effective accelerating structure, supposed to be used to accelerate heavy ions of wide mass and energy ranges, is presented. The investigations of different structure modifications of pins, plac...

National Technical Information Service (NTIS)

38
Accelerators in Research and Industry
1997-10-01

Over the last sixty years the applications of ion beam accelerators has grown from basic nuclear structure research to the manufacture, preservation, and development of a large number of products which directly affect every day life. In addition, ion beam accelerators continue to provide a unique contribution in ...

NASA Astrophysics Data System (ADS)

39
Damage tolerance of metallic structures: Analysis methods and applications
1984-01-01

This book contains papers presented at the June 29, 1981 symposium sponsored by ASTM Committee E-24. The paper titles are as follows: Introduction to Damage Tolerance Analysis Methodology; Damage Accumulation Techniques in Damage Tolerance Analysis; Crack Growth Retardation and Acceleration Models; ASTM Fatigue Life Round-Robin Predictions; Fracture ...

Energy Citations Database

40
FPGA acceleration of rigid-molecule docking codes
2010-05-01

Modelling the interactions of biological molecules, or docking, is critical both to understanding basic life processes and to designing new drugs. The field programmable gate array (FPGA) based acceleration of a recently developed, complex, production docking code is described. The authors found that it is necessary to extend their previous ...

PubMed Central

First Page Previous Page 1 2 3 Next Page Last Page
 
First Page Previous Page 1 2 3 Next Page Last Page
 
41
Adjustment of multiperiodic structures in standing-wave linear electron accelerators
1983-08-01

Accelerating sections for linear electron accelerators are considered which employ standing waves and are fabricated from multiperiodic structures. Analytic expressions are derived for calculating the cell parameters for doubly and triply periodic accelerating structures, and a method is ...

Energy Citations Database

42
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

43
NEPP EEE Links - January 2001, Accelerated Thermal and Mechanical ...

Jan 23, 2001 ... Mechanical tests with no local package heating will significantly overestimate the life of solder joints. Local heating will accelerate life ...

NASA Website

44
MetLife? Group Life Insurance - NASA

*The Accelerated Benefits Option is subject to state availability and regulation . ... Receipt of accelerated benefits may affect your eligibility, or that of ... programs such as medical assistance (Medicaid), Temporary Assistance to ...

NASA Website

45
Challenges in accelerated testing of durable wood products

Jun 16, 2011 ... Keywords: Accelerated life testing, service life, performance standards, wood preservatives, deterioration, biodegradation, fungicides, ...

Treesearch

46
ACCELERATED LIFE TESTING EFFECTS ON CMOS MICROCIRCUIT CHARACTERISTICS

CMOS MICROCIRCUIT CHARACTERISTICS. Phase II Report. Interim. January 1977 to July 1977. (NASACdi-150381). ACCELERATED LIFE TESTING. N77-31406 ...

NASA Website

47
A New Approach to Inference from Accelerated Life Tests
1978-12-04

... Accession Number : ADA063841. Title : A New Approach to Inference from Accelerated Life Tests. Descriptive Note : Technical rept. ...

DTIC Science & Technology

First Page Previous Page 1 2 3 Next Page Last Page