1-20 of 123 Search Results for

macrostructure

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: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006316
EISBN: 978-1-62708-179-5
...Abstract Abstract Thin-wall gray cast iron (TWGCI) can be seen as a potential material for the preparation of lightweight castings in automotive engineering applications. This article discusses the most important challenges for TWGCI: cooling rate, solidification, macrostructure, microstructure...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006343
EISBN: 978-1-62708-179-5
... precipitated from the liquid melt. The article describes the macrostructure and dendrite morphology of primary austenite. Eutectoid transformation in the solid state causes the transformation of austenite to pearlite and/or ferrite, producing the as-cast structure. The article discusses the observations...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005406
EISBN: 978-1-62708-196-2
...Abstract Abstract This article focuses on the intermediate length scales, where transport phenomena govern the spatial and temporal evolution of a structure. It presents the cellular automaton (CA) and phase field (PF) methods that represent the state of the art for modeling macrostructure...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004010
EISBN: 978-1-62708-185-6
...Abstract Abstract This article describes the roll forming of components of nickel, titanium, and aluminum alloys. The metallurgical characteristics of the roll formed components, such as macrostructures, microstructures, tensile strength, and stress rupture performance, are discussed...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009071
EISBN: 978-1-62708-177-1
..., which provides an insight into the micro- and macrostructure of fiber-reinforced composites. composite materials composite-toughening methods dispersed-phase toughening fiber-reinforced composites honeycomb composite structures interlayer toughening macrostructure matrix-toughening methods...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003721
EISBN: 978-1-62708-177-1
... of multiphase structures and macrostructure of metals and alloys. ferrous metals macrostructure multiphase microstructure nonferrous metals single-phase microstructure substructure FOR MORE THAN A CENTURY, dating back to the pioneering contributions of Henry Clifton Sorby, metallurgists have...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
.... The macrostructure and microstructure of spall cavities are described, along with some aspects of the numerous specifications for striking/struck tools. The article also describes the availability of spall-resistant metals and the safety aspects of striking/struck tools in railway applications. fractography...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001343
EISBN: 978-1-62708-173-3
... of the weld. The article discusses nondestructive evaluation of welds by encompassing techniques that are used to characterize the locations and structure of internal and surface defects, including radiography, ultrasonic testing, and liquid penetrant inspection. It reviews the macrostructural...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001038
EISBN: 978-1-62708-161-0
... damage leading to crack initiation; crack propagation to some critical size; and final, sudden fracture of the remaining cross section. Variations in mechanical properties, composition, microstructure, and macrostructure, along with their subsequent effects on fatigue life, have been studied extensively...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001754
EISBN: 978-1-62708-178-8
...Abstract Abstract Optical metallography, one of the most common materials characterization techniques, uses visible light to magnify structural features of interest. This article discusses the use of optical methods to evaluate micro and macrostructure and relate it to process conditions...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003764
EISBN: 978-1-62708-177-1
...Abstract Abstract This article is a comprehensive collection of tables listing: dangerous reactions of chemicals and designations of etchants; chemical-polishing solutions for irons and steels and nonferrous materials; attack-polishing solutions, macrostructure etchants for iron and steel...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003763
EISBN: 978-1-62708-177-1
.... The article provides information on how to reveal the various constituents using proven metallographic procedures for both macrostructural and microstructural examination. Emphasis is placed on the specimen preparation procedures such as sectioning, mounting, grinding, and polishing. The article illustrates...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003725
EISBN: 978-1-62708-177-1
... before and during solidification is also discussed. carbon steel cast iron ferrous metals low-alloy steel macrostructure microstructure solidification THE FERROUS METALS are the most significant class of commercial alloys. This article describes the solidification structures of plain...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003790
EISBN: 978-1-62708-177-1
... 3.6–4.4 0.10 (b) 0.20 … 0.04 0.001 0.004 2.0–3.0 (a) Values not given as ranges are maximum. The remainder is magnesium and normal impurities. (b) Minimum. Source: Ref 8 , 9 Macrostructural Examination Due to the refined grain size and spheroidal structure of semisolid...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003785
EISBN: 978-1-62708-177-1
... in this article Fig. 2 19 mm (0.75 in.) A-710 steel plate, submerged arc weld. Heat input: 3.0 MJ/m. Macrostructure shows the fusion zone, heat-affected zone, and base metal in a single-pass, bead-on-plate weld. Etchant: 85 mL H 2 O + 15 mL HNO 3 + 5 mL methanol. Magnification: 3.5× Fig. 3...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003720
EISBN: 978-1-62708-177-1
... of a sample and/or from a cross-section specimen. Examination may be at the macroscopic, mesoscopic, and/or microscopic levels. For example, cross sections cut from a component or sample may be macroscopically examined by light illumination in order to reveal various important macrostructural features...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001373
EISBN: 978-1-62708-173-3
... structures that are present in thermite welds depend on the chemical composition of the weld metal and on the cooling rate of the joint after pouring is completed. Figure 1 shows a typical macrostructure of a carbon steel rail thermite weld and the microstructure of the fusion zone, the fusion line...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003769
EISBN: 978-1-62708-177-1
... in eutectic ( Fig. 6 ). The use of modifiers and refiners is also an important example of how microstructures and macrostructures can be optimized in foundry operations by influencing eutectic and hypereutectic structures in aluminum-silicon alloys. Strength and ductility of these alloys, especially those...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003727
EISBN: 978-1-62708-177-1
... the quenched alloy, as seen in Fig. 2 . The level of impurities can affect both the macrostructure and microstructure. This is demonstrated in Fig. 3 and Fig. 4 for a nominal Al-4.5Cu-0.25Mg alloy with a small amount of silver (0.7%) and titanium, respectively. Titanium addition considerably decreases...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003782
EISBN: 978-1-62708-177-1
... to anodization. The anodization layer can greatly enhance any previous oxide films and stains on the polished surfaces. Etching Etching is used to show certain attributes of the macrostructure and microstructure in zirconium and hafnium alloys. Macroetching is performed using a pickle tank or a temporary...