... Title : Use of Accelerated Intergranular Corrosion Tests and Pitting Corrosion Tests to Detect Sensitization and Susceptibility to Intergranular Stress ...
DTIC Science & Technology
... Title : The Correlation Between Accelerated Laboratory Corrosion Tests and Atmospheric Corrosion Station Tests on Steels,. ...
Test procedures for accelerated stress-corrosion testing of high-strength aluminum alloys faster and
NASA Technical Reports Server (NTRS)
... Accession Number : ADD410804. Title : Accelerated corrosion testing of glass- reinforced polyesters. Corporate Author : ...
... ACCELERATED CORROSION TESTING OF GRAPHITE/EPOXY COMPOSITES AND ALUMINUM ALLOY MECHANICALLY-FASTENED JOINTS ...
The Corrosion Technology Laboratory at Kennedy Space Center has the facilities, equipment, and experience to conduct indoor accelerated laboratory testing. ...
NASA Website
... Accession Number : ADD129433. Title : Accelerated Atmospheric-Corrosion Testing,. Corporate Author : SYSTEMS RESEARCH ...
... Abstract : The program objective was to develop an accelerated laboratory corrosion test capable of simulating the severe corrosive effects of an ...
... Title : Preparation of an Accelerated Protection Test Method for Lubricants, Corrosion Preventives and Hydraulic Fluids. ...
This book contains 32 papers on accelerated corrosion tests, including immersion, simulated atmosphere, electrochemical, and environmentally aggressive tests. Includes an appendix of 14 ASTM standard corrosion tests, practices, and definitions.
Energy Citations Database
... from federally funded research, testing and training ... for Research Development Test and Evaluation ... Accelerated Laboratory Corrosion Tests to Out ...
... Descriptors : *ANTIFREEZES, *COOLANTS, *CORROSION INHIBITION, *BENCH TESTS, ELECTRODES, LIFE EXPECTANCY(SERVICE LIFE ...
During recent decades, accelerated corrosion test equipment and methods simulating atmospheric corrosion have been developed to incorporate the many factors involved in complex accelerated corrosion. A new accelerated corrosion ...
... Title : Accelerated Tests of Relative Atmospheric-Corrosion Resistance of Low-Alloy Atmosphere-Resistant Steels,. Corporate Author : ...
... CORROSION INHIBITION, ALUMINUM ALLOYS), ELECTROCHEMISTRY, VOLTAGE, ACCELERATED TESTING, MAGNESIUM ALLOYS, ZINC ...
... to undergo stress-corrosion cracking. ... cathodic polarization up to the appearance of cracking. ... NaCl solution regardless of the probable mechanism. ...
... Accession Number : ADA204964. Title : Corrosion of High-Density Sintered Tungsten Alloys. Part 2. Accelerated Corrosion Testing. ...
... of chromium and arsenic; both are known as corrosion inhibitors. While accelerated tests exist for estimating the corrosiveness of new wood preservatives currently, there is no way to relate the results of...
NBII National Biological Information Infrastructure
... Accession Number : ADD458476. Title : Stress Corrosion In Brass - Correlation Between Field Tests In Atmosphere And Accelerated Tests. ...
... aluminum alloys for automobiles, accelerated corrosion tests in 5% salt spray and alternate immersion tests in 5% NaCl solution and 4.7% calcium ...
The exfoliation corrosion and stress corrosion cracking (SCC) behavior of damage tolerant sheet and plate materials of aluminum-lithium based alloys in underaged tempers was studied performing different accelerated tests. The EXCO test (ASTM G34) produced...
National Technical Information Service (NTIS)
Degradation of inhibited gylcol solution leads to corrosion of metals in a solar-energy system. Corrosion was monitored at three sites. To evaluate the extent of corrosion, accelerated laboratory tests were performed. These tests were directed toward cont...
... TESTED IN AN ACCELERATED HIGH VELOCITY, HOT ... ANY OTHER MATERIAL TESTED INCLUDING THE ... SHOULD NOT LIMIT LIFE (AT LEAST ...
The article presents the results of normal and accelerated corrosion tests of zinc and cadmium coatings obtained from cyanous, acid, and urotropin electrolytes. It suggests a classification of climate from the point of view of its effect on the corrosion of metallic materials. It demonstrates the possibility of ...
A programme of research to evaluate the corrosion and stress corrosion resistance of experimental, pre-production and production quality aluminium - lithium sheet and plate alloys is described. Accelerated laboratory tests and outdoor trials have been use...
... Abstract : Accelerated corrosion tests conducted on the aluminized (in a ... similar specimens in a 3.0% NaCl + 0.1% hydrogen peroxide solution for a ...
... Accession Number : ADD444491. Title : Galvanic Corrosion Effects on Carbon Fiber Composites: Results from Accelerated Tests,. ...
An accelerated laboratory corrosion test has been developed to screen materials and finishes for use on naval aircraft. Sulfur dioxide is introduced at periodic intervals into a conventional salt fog chamber to simulate conditions produced by the carrier ...
The objective of this research project is to investigate the corrosion and bond performance of different coatings and nontraditional metals in salt-contaminated concrete. All accelerated macrocell corrosion test is being carried out to determine the behav...
Methods for the controlled production of tarnish layers on noble metals are presented. Accelerated corrosion tests with one, two and three corrosive gas components are depicted and compared to long-term field tests at several industrial sites. Different m...
... study is to determine the viability of electrochemical impedance spectroscopy (EIS) as an accelerated testing procedure for ... ...
... strength Stress analysis Accelerated durability testing Radiopacity Deliverability Bond strength / joint integrity Coating integrity Corrosion resistance ...
Center for Biologics Evaluation and Research (CBER)
... The mixture was chosen in conformity with the tendency to perform accelerated tests in media simulating pickling solutions used in pickling similar ...
... Descriptors : *SOLAR CELLS, *PHOTOVOLTAIC EFFECT, *SOLAR PANELS, ULTRAVIOLET RADIATION, CORROSION, LIFE EXPECTANCY ...
... Research has been conducted in controlled atmospheres on the localized environmental enhancement of crack-growth rates of aerospace alloys in ...
... Salt spray ... acceleration test be developed so that the useful life of a ... surface with oxygen. The corrosion resistance of stainless steels I Page 7. ...
A series of accelerated corrosion tests were conducted in the simulated marine atmosphere environment to study the corrosion of LY12 aluminum alloy under different Cl- deposition content. The change of corrosion morphology, weight gain and electrochemical parameters ...
NASA Astrophysics Data System (ADS)
A testing protocol has been refined to improve the corrosion resistance testing of phosphoric acid anodized aluminum honeycomb. A comparison of different test facilities showed wide variations in the weight loss values obtained when tested per ASTM G 85 A...
This document is a review of classified and unclassified literature from 1947 to, and including, 1975 on the corrosion resistance of the stainless steels in evaporator and waste storage systems for nitric acid and Purex type waste. Corrosion rates of various stainless steel types are compared in laboratory tests at different ...
Accelerated corrosion tests confirmed the adequate resistance to stress corrosion cracking (SCC) of the specific heats of NiCrFe X-750 and NiCrFe 600 used as bolts in the LWBR. SCC acceleration was achieved by running autoclave corrosion tests at 680 ...
using the capacitance measurements of the test mass to find the acceleration of the spacecraft due to the ...... accelerated by high voltage. Precise changes in thrust ..... electrochemical corrosion on the tips of the emitters or ...
Objectives were to identify a reference acid sulfate environment which produced accelerated intergranular corrosion of Alloy 600 tubing under typical steam generator operating conditions and to identify inhibitors capable of limiting the progression of the corrosion. A background report summarized the occurrences of ...
Long-time tests have been made on the effect of various types of radiation on the corrosion of 2S aluminum in simulated W water. In no case was any acceleration of corrosion by the radiation observed; the effect of radiation, if any, appeared to be a protective one. Deuteron irradiation did ...
... Salt-fall at the Fort Sherman heat exchanger test site was relatively heavy at 208 lb/ ... The heat exchanger test site thus represents an accelerated ...
A marine corrosion program is being developed by NUCLEBRAS and NUCLEN. This program consists in carrying out non-accelerated experiments in marine atmosphere, with immersion in seawater and laboratory accelerated tests. The purpose is to obtain a correlat...
techniques for corrosion prevention in bridge decks have included increased concrete cover depth in bridge deck reinforcements, dense concretes, corrosion inhibitors, and both nonmetallic and steel Reinforcement in Concrete Exposed to Chloride Environments) accelerated corrosion tests were ...
E-print Network
Although preservative treatments prolong the life of wood, they can also accelerate the corrosion of fasteners. This is an issue that needs to be studied because corrosion of building materials and fasteners can negatively affect system performance. In th...
The objective of this project was to develop a method for quantitative rating of the corrosion protection capability of inorganic coatings on steel by making use of results from accelerated corrosion testing. A model was developed for quantitative rating ...
The theoretical rationale is presented for use of a repetitive cyclic current reversal voltammetric technique for characterization of localized corrosion processes, including atmospheric corrosion. Applicability of this proposed experimental protocol is a...
Simulated atmospheric corrosion studies were performed to determine the corrosion protection provided by galvanized zinc coatings on depleted uranium, U-0.75 Ti alloy, and U-6 Nb alloys. The accelerated ASTM tests consisted of exposing the galvanized samp...
The report reviews techniques and materials to provide enhanced corrosion protection for prestressing steel and its associated metallic hardware in pretensioned and post-tensioned concrete bridges. A year-long, accelerated corrosion test program on epoxy-...
Degradation of inhibited gylcol solution leads to corrosion of metals in a solar-energy system. Corrosion was monitored at three sites. To evaluate the extent of corrosion, accelerated laboratory tests were performed. These tests were directed toward controlling fluid ...
Valve seat rings of water taps made of copper alloys occasionally suffer corrosion damage as a result of water quality and fluid flow. Examination of the damage mechanisms and development of a testing method for selecting durable materials were requested. To solve these problems, 10 copper alloys were examined using three test methods ...
An atmospheric corrosion accelerated test apparatus for oxidation studies of uranium and its alloys is developed. This system is used for corrosion tests under conditions of high temperature moist air (105 deg C, 10%R.H., air) and moist N(sub 2) (70 deg C...
Evaluation of metal-based structures has long relied on atmospheric exposure test sites to determine
... Accelerated climatic tests on specimens of silver-plated aluminum measuring 50 ... Each cycle of tests (about 30 days) in the conditions moisture-heat ...
Jun 16, 2011 ... Keywords: Stainless steel, steel, zinc, polarisation, accelerated life testing, direct electric currents, coatings, deterioration, ...
Treesearch
To be considered for use at KSC, a primer must successfully withstand exposure at the KSC beach corrosion test site. Primers are periodically rated for ...
To be considered for use at KSC, a primer must successfully withstand exposure at the beach corrosion test site. Primers are periodically rated for rusting ...
... The test media may vary from actual service exposure to highly accelerated media. The correlation of laboratory data to service life in an actual ...
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...
One year atmospheric exposure test results indicated there are cladding alloys which offer improved corrosion resistance to clad 7075-T6 compared with 7072 clad 7075. These results confirm similar conclusions based on accelerated laboratory tests. (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...
An equation for time evolution of glass corrosion in a closed system is proposed. Examples of fitting this equation to vapor-hydration test (VHT) and product consistency test data are shown. It is argued that the stage of accelerated corrosion of waste glass is a temporary spike caused by a ...
Earlier (1) the problems and features of standardization of accelerated chemical and electrochemical tests of stainless steels for resistance to pitting corrosion (or pitting resistance) were presented and on the basis of collective experimental data a method of testing in a ferric chloride solution was proposed ...
A corrosion fatigue test procedure based on fracture mechanics is a severe test of materials compatibility. Thus, fatigue-type tests can be used to demonstrate an accelerated cracking behavior. However, care must be taken when comparing fatigue crack growth behavior between two alloys and ...
A workshop on corrosion test procedures for materials to be used as barriers in nuclear waste repositories was conducted August 19 and 20, 1980, at the Battelle Seattle Research Center. The purpose of the meeting was to obtain guidance for the Materials Characterization Center in preparing test procedures to be approved by the ...
... system to protect graphite/epoxy composites mechanically fastened to aluminum substructures with either titanium or A-286 CRES fasteners. ...
... FLOW CAPACITY TESTS OF PARKER AIRCRAFT COMPANY VALVE, CHECK, ONE-INCH, AIRBORNE, FUEL PARKER PART NUMBER 2630014 ...
... COLD-WORKED MATERIAL WERE SUBJECTED TO AN ACCELERATED STRESS-CORROSION TEST IN HYDROGEN SULFIDE GAS AND THE ...
corrosion of refractory alloys. Much of this work was carried out in the 1960's and 1970's and relatively few investigations have been carried out ...
... Corporate Author : Personal Author(s) : MATSUSHITA, SHIZUO ; TOGAWA, YASUHITO. Report Date : APR 1981. Pagination or Media Count : 1. ...
A test procedure is described that has been used to determine if casing (tubulars) from various mills will corrode in a general or pitting-type pattern. The equipment required to run the test is relatively inexpensive and gives meaningful results in one to two weeks. The Stray Current Accelerated Test (SCAT) ...
This research work is intended to compare the anti-corrosive properties of three generations of inorganic phosphate pigments in solvent-based paints and in water-borne ones, both of the epoxy type. The anti-corrosive properties of phosphate pigments were assessed by means of electrochemical techniques (corrosion potential measurements, ...
The influence of climatic and polluting factors on the atmospheric corrosion of four steels has been examined in the laboratory by an original accelerated electrochemical testing method. This research has led notably to the following conclusions: the corr...
The flight deck cleaning detergent specified by NAVSHIPS Bulletin is a highly alkaline, 3% sodium metasilicate solution. It was found to accelerate corrosion of the aluminum track covers on the USS Roosevelt. Laboratory tests showed that sodium naphthenat...
Recent corrosion grouting problems found in Florida's post-tensioned bridges has shown how important quality grouting materials and proper grouting techniques can be to the longevity of bridges. This problem is not concentrated in Florida, but has capture...
It is necessary to identify those measurable soil parameters which dictate the severity of the corrosion problem for coated irons and steels. When this is done, meaningful accelerated aging tests can be designed to validate the reduced corrosion rate for the planned coating. The following discussion introduces the ...
A SP-method for assessing the corrosion resistance of metallic materials by accelerated testing is described. The method comprise two tests. A and B of different severity, which are both designed to simulate and enhance the environmental influence on a pr...
... of different test facilities showed wide variations in the weight loss values obtained when tested per ASTM G 85 Annex A4, So2 salt spray test, cyclic ...
