1-20 of 63 Search Results for

spectrum life prediction

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... - N curve, depending on the severity of the stress spectrum. The life prediction based on this method is often disappointing; numerous alternative methods and modifications of the damage calculation have been proposed ( Ref 8 ). The main modifications of the original Palmgren-Miner rule are, for...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... Abstract Pultrusion is an automated process for manufacturing composite materials into continuous, constant cross-sectional profiles. The article provides an overview of the pultrusion process and the wide range of materials that can be used to provide a broad spectrum of composite properties...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
... experimental input for noise characterizations ( Ref 35 , 36 , 37 , 43 ). The model of the initial x-ray beam involves a first-principles prediction of the energy-dependent x-ray intensity spectrum calculated from the bremsstrahlung and characteristic interaction cross sections ( Ref 49...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005947
EISBN: 978-1-62708-166-5
... spectrum of its roundness plot. The distribution of residual stresses measured by x-ray after machining shows a triangularity similar to the roundness plot after heat treatment. It results from the interaction of clamping and turning during the machining process. During heating, these stresses are reduced...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005419
EISBN: 978-1-62708-196-2
... between model and experiment. LCD is a linear-cumulative damage model, and α = 1.8 is a constant constraint model. (b) Wing gust and maneuver loading spectrum. Source: Ref 23 The models for crack growth life-prediction have been implemented in several, popular computer codes that are widely...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006013
EISBN: 978-1-62708-172-6
... ships, docks, offshore platforms, terminals, refineries, and a wide spectrum of coastal industries are significantly affected by their direct interaction with harsh, salt-laden surroundings. The marine industry, particularly with coatings, is undergoing a number of changes. The International Maritime...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003028
EISBN: 978-1-62708-200-6
... 285–305, 330–360 2850–3050, 3300–3600 Cellulose-acetate-butyrate 296 2960 Styrene-acrylonitrile 290, 325 2900, 3250 Source: Ref 1 The activation spectrum (a plot of specific degradation characteristics versus the incident wavelength) of a material indicates its sensitivity to...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005685
EISBN: 978-1-62708-198-6
... each incident x-ray, as determined from the voltage measurement, is sent to a computer for display and further data evaluation. The spectrum of x-ray energy versus counts is evaluated to determine the elemental composition of the sampled volume ( Fig. 13 ). Fig. 13 Energy-dispersive x-ray...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009014
EISBN: 978-1-62708-187-0
... steel is at the opposite end of the spectrum. Steel has a very high pouring temperature, poor fluid life, and large, directional type solidification shrinkage. This combination of material properties makes steel very casting unfriendly. As a result, careful attention to casting geometry is essential...
Book Chapter

Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006685
EISBN: 978-1-62708-213-6
... its ready accessibility to the low-frequency region of the spectrum. Vibrational behavior can be characterized as close to the Rayleigh line as 10 cm −1 with conventional instrumentation. This frequency region, particularly below 200 cm −1 , is not accessible with infrared detectors. Such low...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... spectrum. Source: Ref 50 Figure 17 shows the S - N curves plotted for two identical gears of identical hardness, except one was double shot peened. The stress range of the fatigue limit of gear A is 1256 MPa, whereas an increase of 38% to 1710 MPa is observed for the double-shot-peened gear B...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... service life. For example, a wire rope for an elevator has lost its service life when it has sustained fatigue fractures of some of the individual wires, due to irregularities in the wrapping over the sheave. Even though the wire rope continues to function, the presence of fatigue fractures of some of the...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003188
EISBN: 978-1-62708-199-3
... rates require tools with increased toughness. High-speed tool steels are the toughest materials; however, their relatively low wear resistance limits their application to lower-speed machining operations. At the other end of the spectrum, ultrahard materials such as CBN and PCD are highly wear resistant...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003104
EISBN: 978-1-62708-199-3
..., when expressed in this manner, the results are not materials constants, because they are based on experimental conditions. Several models of sliding wear lead to the prediction for volume change: Δ V = k L S / 3 H where L is load, S is sliding distance, H is Vickers hardness...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006444
EISBN: 978-1-62708-190-0
..., tend to vary less and are more amenable to modeling. Use quantitative vibration monitoring (even just at a single point) to evaluate the vibration spectrum. Use vibrational mode shape measurement and modeling to relate the quantitative vibration metric to the induced vibration field. Verify...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006073
EISBN: 978-1-62708-172-6
... comprised of oxygen, carbon, silicon, iron, magnesium, neon, sulfur, and calcium. Each element is important because its presence contributes to the solar spectrum as it is received on earth. The sun emits energy created by the thermonuclear fusion of hydrogen into helium. Four hydrogen nuclei have more mass...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004001
EISBN: 978-1-62708-185-6
... microstructure. Thus, synthesis and subsequent processing methods play an important role in the control and optimization of properties and service performance. Synthesis techniques utilized to date have covered a broad spectrum of vapor, liquid, and solid-state approaches ( Ref 1 ). Vapor methods include those...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... living, changing biological system where these changes cannot be predicted in a precise manner, because they are a function of the individual host, the task is to choose materials that are the most appropriate compromise, keeping in mind that the biological interactions with the patient are of supreme...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005925
EISBN: 978-1-62708-166-5
... blackbody emissive power for (a) wavelengths in the thermal radiation spectrum (10 −1 to 100 μm) and (b) wavelengths in the near-infrared radiation spectrum (0.75 to 3.0 μm). Dominant wavelengths are shown for temperatures typically encountered in the heat treating of metals. Blackbodies, the most...