1-20 of 329 Search Results for

growth defects

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 Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240117
EISBN: 978-1-62708-251-8
...Abstract Abstract Annealing, a heat treatment process, is used to soften metals that have been hardened by cold working. This chapter discusses the following three distinct processes that can occur during annealing: recovery, recrystallization, and grain growth. The types of processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
..., the international consensus is that the three with the greatest impact on crack growth rates are the formation of material defects, radiation-induced segregation, and chemical reactions that increase the corrosion potential of water. The chapter discusses each of these in great detail, and includes information...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... homogenization, and the cause of casting defects, including cracking and splitting, segregation, porosity, and grain growth. aluminum alloys billets casting casting defects The extrusion process consists of four major components, hydraulic press, die, tooling, and billet casting. In the previous...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490111
EISBN: 978-1-62708-340-9
... of crack-growth behavior of Fe-Ni alloy A-286 in air and vacuum at 595 °C (1100 °F) ( Ref 69 ). Fig. 4.37. Design curves from ASME Code Case N-47 for elastic route for austenitic stainless steels and Incoloy 800H ( Ref 78 ). Top: Design fatigue strain range for types 304 and 316 stainless steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430027
EISBN: 978-1-62708-253-2
... and the role of diffusion, nucleation, and growth. It also discusses alloying, heat treating, and defect formation and briefly covers condenser tube materials. alloying elements austenitic stainless steels boiler tubes condenser tubes continuous cooling transformation diagram creep-resistant steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... Much weaker Mechanical property variability Higher Fatigue strength Higher Sensitivity to hydrothermal environment Greater Sensitivity to corrosion Much less Damage growth mechanism In-plane delaminations instead of through-thickness cracks Source: Ref 2 Comparison...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140071
EISBN: 978-1-62708-264-8
... surface tension acting on grain-boundary segments contributes to grain growth and how the formation of new grains, driven by phase transformations and recrystallization, lead to a reduction in average grain size. It also discusses the effect of alloying elements on grain growth rates, particularly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... or replace when crack is detected. Plan for anticipated cracks not detectable by inspection Plan III For parts where a is so small that it defies inspection Make best estimate of possible initial defects. Calculate permissible crack size a p . Calculate crack growth life from initial defect...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... toughness is the resistance of a material to the extension of a cracklike defect. Fracture toughness is often characterized in terms of a material being ductile or brittle. A ductile material may have higher toughness compared with a brittle material. Ductile fracture occurs by the initiation, growth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110524
EISBN: 978-1-62708-247-1
... of high radiance InGaAsP/InP LED’s operating in the 1.2-1.3 µm wavelength ,” IEEE J Quantum Electron. , vol 17 , #2 , pp. 167 - 173 , ( 1981 ). 10.1109/JQE.1981.1071053 2. Wang H. , Hopgood A. A. , and Ng G. I. , “ Analysis of dark-line defect growth suppression in InxGa1-xAs...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... is generally practiced. The total-life approach is used with unnotched specimens that are assumed to be defect free, and this methodology is predicated on the notion that fatigue failure is a consequence of both crack nucleation and subsequent growth. Conversely, the defect-tolerant approach bases the fatigue...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730059
EISBN: 978-1-62708-283-9
...: recovery, recrystallization, and grain growth. During the recovery stage there is a rearrangement and decrease in the number of defects in the metal. Lattice defects generated during cold working lower the electrical conductivity, but recovery largely restores the electrical properties. During...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... to a possible welding defect and improperly heat treated material resulting in subsequent fatigue crack growth Selection and development of materials with improved toughness at the service temperature of –160 °C (–250 °F) Comet aircraft failures 1950s Fatigue crack initiation in pressurized skins due...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310057
EISBN: 978-1-62708-286-0
... Fig. 3 Parabolic rate constants for the growth of several oxides. Source: Ref 6 Fig. 10 Temperature dependence of metal dusting of iron. Source: Ref 18 Fig. 8 Schematic of two cases in a less-oxidizing atmosphere. (a) Adsorption of oxygen leading to internal oxidation and (b...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
...-state transformation steel stress concentration weld defects welded joints FUSION WELDING is the joining of two or more pieces of material by melting a portion of each and allowing the liquefied portions to solidify together. One distinguishing feature of all fusion welding processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2021
DOI: 10.31399/asm.tb.ciktmse.t56020001
EISBN: 978-1-62708-389-8
... for elemental solids. For example, the thermal expansion of aluminum, a soft metal, is 2.5 × 10 −5 /K, while that of a strong metal such as tungsten is 4.5 × 10 −6 /K. Line defects can be categorized broadly into two types: edge and screw dislocations. These defects are formed either during crystal growth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230253
EISBN: 978-1-62708-298-3
... of Dilute Pb-Sn Alloy , J. Cryst. Growth , Vol 5 , p 361 – 375 10.1016/0022-0248(69)90038-4 Papirov I.I. Kharkov Institute of Physics and Technology , Ukraine , private communication Patenaude C.J. , 1964 . “ Casting and Hot Working of Sound Large Diameter Beryllium Ingots...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... Testing Fatigue Crack Growth Rate Testing Various nondestructive testing (NDT) and inspection techniques are commonly used to detect and evaluate flaws (irregularities or discontinuities) or defects in engineering systems. Of the many different NDT techniques used in industry, liquid penetrant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... of service temperatures. This chapter covers several types of component and material failure associated with wear, temperature effects, and crack growth. It examines temperature-induced, brittle, ductile, and fatigue failures as well as failures due to abrasive, erosive, adhesive, and fretting wear...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... or internal initiation; incubation period not observed Internal crack initiation Surface and/or internal effect Surface (decarburization); internal carbide interfaces (methane bubble formation) Internal defect Internal defect Unknown … Internal defect Mechanisms Surface or subsurface processes...