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long-term performance stability

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ciktmse.t56080029
EISBN: 978-1-62708-460-4
... on corrosion kinetics, and electrochemical impedance spectroscopy can be used to investigate the corrosion inhibition process and mechanisms by providing insights into the resistive and capacitive behavior at the interface. An investigation of long-term stability can be performed using time-dependent linear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030062
EISBN: 978-1-62708-282-2
...; therefore, this reaction must be considered when determining the total amount of titanium required to combine with the carbon. The stabilized grades are more resistant to sensitization by long-term exposure at 425 to 815 °C (800 to 1500 °F) than the low-carbon grades are, and the stabilized grades...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780329
EISBN: 978-1-62708-281-5
... Quenchers From the previous discussion, it should be clear that nearly all plastics require protection from sunlight in order to perform outdoors for long periods of time ( Ref 11 , 12 ). There are basically two strategies for stabilizing plastics against photodegradation. The first involves slowing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
... are often segregated into short-term and long-term properties. The category of short-term properties includes such things as tensile and impact strengths. Long-term properties include creep, stress relaxation, and creep (stress) rupture. Both categories of properties are affected by exposure to external...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... components, burner nozzles, heat exchanger heating elements, noniron metallurgy insulating parts, thermal barrier coatings Mechanical Long-term, high-temperature resistance, fatigue, thermal shock, wear resistance Wear parts; sealings; bearings; cutting tools; engine, motor, and gas turbine parts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110545
EISBN: 978-1-62708-247-1
... Abstract Post-mortem analysis of photovoltaic modules that have degraded performance is essential for improving the long term durability of solar energy. This article focuses on a general procedure for analyzing a failed module. The procedure includes electrical characterization followed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... at which the part must perform for the life of the device. One of the most common measures of long-term temperature resistance is the thermal index determined by the Underwriters’ Laboratories (UL). In this test, standard test specimens are exposed to different temperatures and tested at varying intervals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... (a) Short-term continuous service temperature. (b) Long-term continuous service temperature Glass-transition and melting temperatures of selected thermoplastic and thermoset resins Table 2 Glass-transition and melting temperatures of selected thermoplastic and thermoset resins Chemical...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900013
EISBN: 978-1-62708-350-8
..., in terms of high-volume production requirements (e.g., automotive gears), nitriding does not always present a viable option. The nitrided case usually exhibits greater dimensional stability simply because there is no opportunity for retained austenite to form, as can occur in carburizing and quenching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... Abstract This introductory article describes the various aspects of chemical structure and composition that are important to an understanding of polymer properties and their eventual effect on the end-use performance of engineering plastics, namely thermoplastics and thermosets. The most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780314
EISBN: 978-1-62708-281-5
...-reinforced PP, for example, that the long-term influence of humidity is rather small. After an initial drop in both tensile strength and elongation, the properties stabilized and did not change further. Polyolefins are, however, rapidly oxidized at elevated temperatures, particularly those containing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
..., properties, and performance. It includes images of elongated and equiaxed structures, primary alpha, transformed beta, and metastable phases as well as spheroidal and intergranular beta, alpha case, and intermetallic compounds. It also defines important terms and provides step-by-step procedures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930249
EISBN: 978-1-62708-359-1
... Group III (intermediate purity) 26-Ti(S44626), S44400, S44660 (SeaCure), S44635 (NuMonit), S44735 (A1-29-4C) Weldability and Cracking The term weldability is defined here as meaning the ease with which sound welds can be made and the suitability of these welds to perform satisfactorily...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... —A general term for a material that has a long axis that is many times greater than its diameter. The term aspect ratio , which refers to fiber length divided by diameter ( l / d ), is frequently used to describe short fiber lengths. Aspect ratios are normally greater than 100 for fibers. Filament...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310225
EISBN: 978-1-62708-286-0
... improve this performance. Not only are the steels in exhaust systems almost exclusively ferritic, they are also stabilized by titanium or niobium. This prevents sensitization and makes all the chromium content useful as alloy. Titanium stabilization greatly improves corrosion resistance by removing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110279
EISBN: 978-1-62708-247-1
... Abstract Transistors are the most important active structure of any semiconductor component. Performance characteristics of such devices within the specifications are key to ensuring proper functionality and long-term reliability of the product. In this article, a summary of the semiconductor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... and is extremely tough, exhibiting excellent damage tolerance. It has a high tensile strength but performs poorly in compression. It is also sensitive to ultraviolet light and should be used for long-term service only at temperatures less than 300 °F (150 °C). Another organic fiber is made from ultra-high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... by 2.8. Fig. 14 Example of set for shear-strength testing of plastics Creep Data Analysis Mechanical tests under tensile, compressive, flexural, and shear loading can be performed as either short-term tests or long-term tests of creep deformation. Data for the long-term tests...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... temperature, increasing stress, and decreasing fiber modulus. However, under long-term loading, aramid composites, similar to glass-fiber composites, are subject to stress rupture, that is, failure of the fiber under sustained loading with little or no accompanying creep. Although aramids perform better than...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... cause varying degrees of loss of performance will be covered. Since water is pervasive, moisture absorption in polymeric matrix composites is a primary concern. Other potential degradation conditions covered include fluids, ultraviolet radiation, erosion, lightning strikes, thermo-oxidative stability...