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steel fracture surface

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001279
EISBN: 978-1-62708-170-2
... Abstract Porcelain enamels are glass coatings applied primarily to products or parts made of sheet steel, cast iron, and aluminum to improve appearance and to protect the metal surface. This article describes the types of porcelain enamels, and details enamel frits for these materials. It...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... operate intimately together, and especially in the fracture of quenched and tempered steels, the fracture process is termed quasi-cleavage. The dividing line between the terms cleavage and quasi-cleavage is somewhat arbitrary. Metallic material fracture surfaces showing large fractions of cleavage...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001838
EISBN: 978-1-62708-181-8
.... 7 Linearized RSCs as a function of R S (η 2 ) for AISI 4340 steel specimens fractured at room temperature Fig. 8 Modified profile and surface fractal dimensions β and γ versus tempering temperature from RSCs for AISI 4340 steel specimens fractured at room temperature...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001833
EISBN: 978-1-62708-181-8
... effect of angle of incident light in delineating texture of a fracture surface of an unnotched laboratory tensile-test specimen of 4340 steel. The microstructure was tempered martensite. As the angle of illumination approaches 90°, the surface becomes featureless. The precise optimum angle of obliquity...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
... exhibits various dimple sizes ( Fig. 2 ). When microvoids nucleate at the grain boundaries.( Fig. 3 ), intergranular dimple rupture results. Fig. 2 Examples of the dimple rupture mode of fracture. (a) Large and small dimples on the fracture surface of a martempered type 234 tool steel saw disk. The...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001832
EISBN: 978-1-62708-181-8
... stripping, organic-solvent cleaning, water-base detergent cleaning, cathodic cleaning, and chemical-etch cleaning. cleaning cracks fractography nondestructive inspection specimen preparation specimen preservation specimen sectioning steel fracture FRACTURE SURFACES are fragile and subject...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... surface to the other is usually sharp. Fig. 30 Tensile fracture of maraging steel shows transition from cup feature from one half of the fracture to the other half, that is, not a complete cup-and-cone Lowering the temperature increases the size of the flat region and results in a reduction...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001320
EISBN: 978-1-62708-170-2
... Abstract The classes of tool materials for machining operations are high-speed tool steels, carbides, cermets, ceramics, polycrystalline cubic boron nitrides, and polycrystalline diamonds. This article discusses the expanding role of surface engineering in increasing the manufacturing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001304
EISBN: 978-1-62708-170-2
... Abstract This article discusses the classifications, compositions, properties, advantages, disadvantages, limitations, and applications of the most commonly used methods for surface engineering of carbon and alloy steels. These include cleaning methods, finishing methods, conversion coatings...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005342
EISBN: 978-1-62708-187-0
... fractures, most cast alloys will exhibit thumbnail-shaped beach marks or arrest lines that fan outward from the origin region. Fig. 1 Overload fracture through a low-alloy steel casting. Courtesy of Stork Technimet, Inc. New Berlin, WI The fracture surface texture of cast components can exhibit...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
.... 5 Subsurface fatigue origin in-service failure of 6.4 cm (2.5 in.) nitrided medium-carbon alloy steel crank pin. In contrast with the fracture surface shown in Fig. 4 , produced in the laboratory under continuous uniform loading, this surface exhibits beach marks. Courtesy of G.J. Fowler, Fowler...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... chromium-molybdenum steels ( Ref 5 ). Fig. 3 Scanning electron microscopy image of fracture surface of nickel-base alloy (Inconel 751, annealed and aged) after stress rupture (730 °C, or 1350 °F; 380 MPa, or 55 ksi; 125 h). (a) Low-magnification view, with picture width shown at approximately 0.35...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005461
EISBN: 978-1-62708-196-2
... leading to stress states favorable to fracture. Nevertheless, the method has been used to interpret fracture conditions during compression of fiber-reinforced composite plates ( Ref 11 ). As shown in Fig. 2 , compression of a composite plate (25 vol% stainless steel wire in a 6061 aluminum matrix...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... possibility of improper design cannot be discounted. Knowledge of the stress distribution can point the failure analyst to the crack origin, especially if the crack surface is nearly featureless. It can also help check for consistency with the fracture features. In the conventional approach to design and...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006024
EISBN: 978-1-62708-172-6
... inspection lamination surface preparation PREPARING THE SURFACE for the application of the coating system is the most critical and typically the most expensive step in a coatings project. Whether the surface is plastic, glass, wood, concrete, masonry, aluminum, carbon steel, or stainless steel, surface...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001239
EISBN: 978-1-62708-170-2
... materials being finished. For example, during the grinding of hardened steels, if the surface temperature of the workpiece is sufficiently high, the surface reaustenitizes; a consequence of the transformation is the formation of brittle, untempered martensite. This type of thermal damage is commonly...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
... steels have been used to clean heat-resistant alloys without serious contamination. The flash pickling of these alloys after abrasive cleaning provides additional assurance that no harmful surface contamination remains. Detailed information on equipment and procedures for dry and wet blasting is provided...
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
... microscopy image showing the surface texture of stainless steel tubing for needles. Incoming inspection suspected surface contamination on the tubes, but microscopic examination indicated the surface appearance was due to texture. Fig. 2 Light microscopy image of corrosion products on stainless...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003055
EISBN: 978-1-62708-200-6
... spreading, and they can accelerate particles to desired velocities in a relatively short distance. In addition, relatively high abrasive mass flow rates (1.4 to 1.8 kg/min, or 3 to 4 lb/min) can be easily accommodated. The result is an extremely high-energy jet that can easily cut through a solid steel...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... porcelain enameling surface hardening surface treatment thermal spraying wear resistance weld cladding THE TERM “CAST IRON,” like the term “steel,” identifies a large family of ferrous alloys. Cast irons primarily are alloys of iron that contain more than 2% carbon and from 1 to 3% silicon. Wide...