1-20 of 89 Search Results for

temperature profile modeling

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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... general-purpose FEA. General-purpose FEA software programs also are commonly used for thermal analysis to determine heat transfer and temperature profiles. Because the focus of this article is on FEA and structural failure analysis, discussion is limited only to those thermal areas that affect...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... be analyzed on a desktop computer. Fig. 4 Example of a three-dimensional half-symmetry finite-element model of a housing General-purpose FEA software programs also are commonly used for thermal analysis to determine heat-transfer and temperature profiles. Because the focus of this article...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
...-life models for flat extrusion die and account for bearing length, fillet radius, temperature, and strain rate. They were shown to provide useful information for the analysis and prevention of die failures. extrusion die fatigue failure die design tool steel cracking fractography strain...
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
... in service (mechanical or thermal fatigue) May have been subject to improper processing on manufacture (shot peening, grinding, milling, etc.) May have been subject to inappropriate heat treatment (stress relief, induction hardening, service temperature, thermal strains, etc.) The XRD technique...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... relief, induction hardening, service temperature, thermal strains, etc.) X-Ray Diffraction Theory and Residual Stress Measurement The XRD technique uses the distance between crystallographic planes, that is, d -spacing, as a strain gage. This method can only be applied to crystalline...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... High temperature or low temperature With or without abrasive particles pH level Materials Type-to-type or dissimilar Subcategories of abrasive wear Table 2 Subcategories of abrasive wear Attribute Variations Number of bodies One-body (abrasive surface) or two-body...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001850
EISBN: 978-1-62708-241-9
... of non-resulfurized carbon steel with a wall thickness of 12 mm. The blow pipes of the furnace of present investigation have high alumina refractory lining which can withstand a maximum temperature of 1,650 °C. Due to the conical profile of the blow pipe assembly, the refractory thickness is gradually...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0090276
EISBN: 978-1-62708-230-3
...Abstract Abstract Cracking was found in the heads on large Yankee dryers, large, cylindrical, rotating, pressurized, high-temperature, cast iron pressure vessels (ASME Boiler and Pressure Vessel Code Section VIII, Rules for Construction of Pressure Vessels), used to remove moisture from sheets...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... and solder pastes, absorbed moisture in the board laminate, and water vapor resulting from the reduction of oxides. The reflow profile significantly affects the void rate ( Ref 24 ). A higher peak reflow temperature and longer liquid time allow more mobility for the voids, which can lead to their escape from...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
.... It discusses the processes involved in testing and modeling of impact wear, and includes two case studies. ceramics impact wear metals polymers wear modeling IMPACT OR PERCUSSIVE WEAR has been defined as “the wear of a solid surface that is due to percussion, which is a repetitive exposure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... for brittle fracture Tacoma Bridge Failure ( Ref 6 , 7 1940 Aerodynamic instability and failure caused by wind vortices and bridge design Sophisticated analytical models developed for resonance Bridge design changed to account for aerodynamic conditions World War II Liberty ships ( Ref 8 ) 1942...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... profiles, usage rate, external environment, materials selection, and geometry. For fossil-fuel, refining and chemical, and nuclear plant equipment that is exposed to elevated temperatures, life-limiting factors involve pressure, temperature, environment, fatigue cycles, and time at temperature. The life...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047720
EISBN: 978-1-62708-217-4
... notches. In addition, all turbine blades containing cooling-tube weldments were reprocessed by back-brazing. Back brazed turbine blades were reinstalled in the engine and withstood the full 150-h model test run without incident. Stress concentration Tensile stress Hastelloy X UNS N06002 Joining...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... that the carbide cohesive strength would replace the cohesive strength of the oxide. This model would apply to coated alloys that form grain-boundary films of M 23 C 6 at elevated temperatures and that are protected by a tough coating. Examples would be René 80 and René 77, both of which have been used for blades...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006803
EISBN: 978-1-62708-329-4
..., models and model parameters have some uncertainty in real-world structures. To this day (2020), structural design codes are deterministically based, with the uncertainties accounted for by using conservatisms such as safety factors, design factors, and so on to cover a realistic range of variation. Given...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... of Roller Profile on Cylindrical Roller Bearing Life, Part I: Comparison of Bearing Life Theories , Tribol. Trans. , Vol 44 ( No. 3 ), 2001 , p 339 – 350 10.1080/10402000108982466 9. Tallian T.E. , Data Fitted Bearing Life Prediction Model for Variable Operating Conditions , Tribol...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001848
EISBN: 978-1-62708-241-9
.... The surface profile was irregular with the presence of some deep channels. This type of profile, normally created when a fluid flows through a soft bed, might be due to the high degree of plasticity of the tool material at forging temperatures. These surfaces formed a favorite area for the propagation...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... The loading is purely thermal and is applied as a temperature profile over time. The thermal cycle consists of a change in temperature from room temperature to 240 °C in 40 s, constant temperature at 240 °C for next 85 s, followed by a sudden decrease of 210 °C in 40 s. Convection was considered as the major...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... ignoring the difference between the displacement and the sliding amplitude can lead to a false deduction of the variation of the specific wear rate Fig. 11 Illustration of the pressure ( p ) and the shear ( q ) profiles along the median axis of the sliding direction for a Hertzian sphere-on-flat...