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fog corrosion test

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Published: 01 January 2003
Fig. 4 A diagram of a standard salt-fog corrosion test chamber shows key components of the environment conditioning and control systems. More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003646
EISBN: 978-1-62708-182-5
... Abstract This article discusses the applications and use of salt spray (fog) testing used to test the resistance of aluminum alloys to exfoliation corrosion. There are two basic types of salt-spray/fog corrosion tests: static condition tests and cyclic condition tests. The article provides...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003827
EISBN: 978-1-62708-183-2
... will help avoid potential problems. Early evaluation of coatings was performed using the ASTM B 117 salt fog test or a humidity test to determine the relative effectiveness of corrosion protection. In addition, wipe testing of the surface is now performed to assess the relative effectiveness...
Image
Published: 01 January 1994
Fig. 2 Lack of correlation between ASTM B 117 salt fog test results and natural marine-atmosphere exposure test data for cadmium-plated (light-shaded bars) and zinc-plated (dark-shaded bars) mild steel. The ASTM D 610 rating scale extends from severe substrate corrosion (rating 1 More
Image
Published: 01 October 2014
Fig. 25 Effect of tempering temperature on the stress-corrosion characteristics of two wrought martensitic stainless steels at high stress. Data apply to a stress level of 350 MPa (80 ksi) for tests in a salt fog cabinet More
Image
Published: 01 January 2003
to a ball-point pen, then exposed in a cyclic corrosion test. Test cycle was 1 day salt spray fog, plus 4 days condensed water exposure plus 2 days dry period. Creepage is defined as the distance between the artificial damage and the border of delamination. Note that the y-axes are different in scale More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003654
EISBN: 978-1-62708-182-5
... degradation in different environments. This allows accelerated testing to be validated more readily than relying on visual comparison of specimens once extensive corrosion has occurred. This comparison is illustrated in Fig. 8 . A series of coatings were subjected to salt fog (ASTM B 117), a cyclic...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006063
EISBN: 978-1-62708-172-6
.../humidity-controlled cabinets, and pressurized chambers. Corrosion Test Chambers Corrosion test chambers that employ an electrolyte solution can be either static or cyclic-type models. The static types spray a fog solution continuously, whereas cyclic or programmable types have the ability to perform...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003638
EISBN: 978-1-62708-182-5
.... Accelerated testing of materials is often conducted in salt spray, fog, and light exposure cabinets. Techniques for conducting microbiologically influenced corrosion tests are presented with an increased emphasis in this subsection. Simulated Service Corrosion Testing Simulated service testing produces...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006026
EISBN: 978-1-62708-172-6
..., and necessary means of control ( Fig. 33 ). Coated test panels are often scribed (to evaluate resistance to corrosion undercutting) and then subjected to a 5% solution of sodium chloride atomized as a fog inside a chamber maintained at approximately 35 °C (95 °F). Interim and/or final evaluations may include...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001296
EISBN: 978-1-62708-170-2
... Atmospheres,” ISO 7384–1986, American National Standards Institute 17. “Practice for Conducting Moist SO 2 Test,” G 87–84, Wear and Erosion, Metal Corrosion , Vol 03.02 , Annual Book of ASTM Standards , ASTM , 1993 . 18. “Test Method of Salt Spray (Fog) Testing,” B 117–90, Wear...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006499
EISBN: 978-1-62708-207-5
... standards currently in use. Seal quality tests and associated standards Table 1 Seal quality tests and associated standards Test type Description Salt spray (ASTM B117) Tests corrosion resistance using salt fog Modified dye stain (ASTM B136) Indicator of seal quality using nitric acid...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003614
EISBN: 978-1-62708-182-5
.... The standard test in the United States is ASTM D 2803, “Guide for Testing Filiform Corrosion Resistance of Organic Coatings on Metal.” Coated metal specimens are scribed to bare metal and subjected to a salt fog atmosphere up to 24 h, rinsed in distilled water, and then placed wet in a closed cabinet at 25 °C...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005739
EISBN: 978-1-62708-171-9
... coatings. Materials testing included axial fatigue, salt fog and cyclic corrosion, sliding wear, impact, and hydrogen embrittlement (HE). The HE testing had three components: verifying that the application of HVOF coatings did not cause HE in high-strength steels; verifying that hydrogen present in a high...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001322
EISBN: 978-1-62708-170-2
.... Corrosion control data generated using artificially accelerated or salt fog tests (e.g., ASTM B 117) are not included because such data have no demonstrable correlation with actual field performance. Figure 2 shows that salt fog and natural marine atmosphere data for an 18-day exposure period...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003641
EISBN: 978-1-62708-182-5
... standards have been developed, for example, to relate different variations of creating and controlling fog and humidity in cabinets for corrosion testing of a broad spectrum of products. These products range from decorative electrodeposited coatings to the evaluation of the corrosivity of solder fluxes...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004170
EISBN: 978-1-62708-184-9
.... This is in sharp contrast with the various “accelerated” salt fog and environmental (temperature, humidity, and bias, or THB) tests that usually require 1000 h or more ( Ref 74 , 75 ). Microelectronic components and devices intended for exposure to corrosive environments are often subjected to environmental tests...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003665
EISBN: 978-1-62708-182-5
... and Standards , STP 866, Haynes G.S. and Baboian R. , Ed., American Society for Testing and Materials , 1985 , p 14 – 23 10.1520/STP33767S 3. “Standard Practice for Modified Salt Spray (Fog) Testing,” G 85, Wear and Erosion; Metal Corrosion , Vol 03.02 , Annual Book of ASTM Standards...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004121
EISBN: 978-1-62708-184-9
..., or peeling. This entire tank was then repainted with one of the moisture-cured polyurethane systems. The coating exhibited no evidence of cracking or peeling, no evidence of rust, and no evidence of corrosion for the past 4 years ( Ref 10 ). Fig. 12 Deluge tank (for fire-suppression system) with test...
Book Chapter

Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006730
EISBN: 978-1-62708-210-5
... for 6 months or 5% NaCl salt fog, only slight superficial staining and a mild, shallow pitting attack with no measurable loss in strength are observed. In a NaCl-H 2 O 2 test, no evidence of intergranular corrosion is observed. However, a major drawback of alloy 7039 is susceptibility to stress...