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chemical resistance

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090448
EISBN: 978-1-62708-222-8
... had been degraded, producing a reduction in the molecular weight and reducing both the mechanical integrity and chemical-resistance properties of the parts. Crystallization Electrical appliances Grease Housings Injection molding Molding resins Undercrystallization Polycarbonate...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... Thermal conductivity Medium to high Medium, but often decreases rapidly with temperature Very low Thermal shock resistance Good Generally poor … Electrical characteristics Conductors Insulators Insulators Chemical resistance Low to medium Excellent Good Oxidation resistance...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006909
EISBN: 978-1-62708-395-9
... measurements (e.g., moisture absorption or chemical decomposition) to be carried out efficiently. Environmentally conditioned material is often subjected to a series of destructive and nondestructive tests (i.e., performance testing) to evaluate the degree of degradation (or resistance) of material...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... than impure or natural waters. The low corrosivity of high-purity water is due to its high electrical resistance and few reducible cations. Passivity Essentially, passivity refers to the loss of chemical reactivity experienced by certain metals and alloys under specific environmental conditions...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
... Chemical resistance Thermal properties Assembly options Many of these benefits come with important considerations. For example, plastics are excellent thermal insulators, but they can expand and contract 5 to 10 times more than metals over the same temperature change. Ignoring this property can...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006917
EISBN: 978-1-62708-395-9
... of chemical composition to ESC resistance is not always clear-cut is when two organic chemicals are used in conjunction. In many cases, two or more solvents are used in a system to achieve the desired performance. In many cases, these solvents do not act as aggressive ESC agents individually. However, when...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... factors to evaluate carefully. Temperature not only affects physical properties such as impact strength, tensile strength, stiffness, and fatigue, but it also affects chemical resistance and all long-term properties. Therefore, it is highly recommended to test the candidate material at the maximum...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006926
EISBN: 978-1-62708-395-9
... to organic chemicals on product performance. Most plastic resin manufacturers can provide “chemical resistance” tables that list the effects of exposure to various chemicals on their products. However, most of the time the information in those tables is developed by performing tests on static, unstressed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... corrosivity of high-purity water is due to its high electrical resistance and few reducible cations. Passivity Essentially, passivity refers to the loss of chemical reactivity experienced by certain metals and alloys under particular environmental conditions. That is, certain metals and alloys become...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... and describes the corrosion resistance characteristics of specific classes of refractories and structural ceramics. The article also examines the prevention strategies that minimize corrosion failures of both classes of materials. aerospace industry automotive industry chemical corrosion chemical...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001809
EISBN: 978-1-62708-241-9
... erosion damage inductively coupled plasma spectroscopy corrosion resistance ASTM B148 (nickel-aluminum bronze) UNS C95800 Background An impeller from a brackish water pump was removed from service after 4 years of use. The pump was a replacement for the original pump that lasted over 40 years...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001374
EISBN: 978-1-62708-215-0
... at an increasing rate. The failure were confined to the stems and seats. Specimen Selection Metallographic samples were cut from the two seats and stems and mounted to show the damaged surfaces in cross section. Drillings were machined for chemical analysis. Visual Examination of General Physical Features...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0047307
EISBN: 978-1-62708-223-5
... amount of retained austenite. This caused reduced wear resistance and thus rapid wear in service. Recommendations included avoiding an excessive austenitizing temperature and excessive cooling rates from the austenitizing temperature and controlling the chemical composition to avoid excessive...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006933
EISBN: 978-1-62708-395-9
... a wide variation in their physical, mechanical, chemical resistance, and aging properties, the use of the wrong resin can yield detrimental results in many applications. Fourier transform infrared spectroscopy is well suited for the identification of polymers that have different molecular structures...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
... a caustic solution (NaOH) to remove HCl from the stream, before the latter was directed to a burner. Metallographic examination showed that the cracks were intergranular and were frequently branched. Although nominal chemical composition of the component was found within the specified range, energy...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090454
EISBN: 978-1-62708-220-4
... resistance of the material and accelerated the failure. Chemical analysis Creep resistance Molding resins Residual stresses Shrinkage Solvents Storage vessels High-density polyethylene Creep fracture/stress rupture Brittle fracture A chemical storage vessel failed while in service...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... materials to meet new requirements that are getting more demanding. Stainless steels have been developed for many applications that require a high resistance to corrosive environments. Duplex stainless steels (DSSs), which were first developed in 1927 and improved in the following decades, have been...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001045
EISBN: 978-1-62708-214-3
... a dezincification-resistant alloy was recommended. Cooling systems Dezincification Hydroelectric power generation Lubrication systems Yellow brass, 65% Cu UNS C27000 Dealloying/selective leaching Background Several brass alloy 270 heat exchanger tubes began to leak after approximately 5.5 years...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001083
EISBN: 978-1-62708-214-3
... void.Unetched. 62×. Chemical Analysis Identification A small section was removed from impeller 1 for quantitative chemical analysis. The chemical composition of the impeller material is presented in Table 2 , along with the chemical requirements for ASTM Specification B62, class C83600. The impeller...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001820
EISBN: 978-1-62708-241-9
... cracking. Based on test data and cost, A217-WC9 cast Cr–Mo steel would be a better alloy for the application. valve body corrosion H2S exposure Cr-Mo steel pitting cracks chemical analysis corrosion resistance A216-WCC (cast carbon steel) UNS J02503 A217-WC9 cast Cr–Mo steel UNS K21590...