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brittle materials

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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
... twinning. The microscale brittle fracture mechanism is by cleavage. Thus, in metallic materials, slip and twinning deformation processes compete with the brittle fracture process of cleavage. All mechanisms may not operate in a given lattice (material), and the activation of a given mechanism depends on...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... industries. This article describes the processes involved in erosion of ductile materials, brittle materials, and elastomers. Some examples of erosive wear failures are given on abrasive erosion, liquid impingement erosion, cavitation, and erosion-corrosion. In addition, the article provides information on...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004007
EISBN: 978-1-62708-185-6
... hydrostatic extrusion of structural alloys, composites, brittle materials, and intermetallics or intermetallic compounds, with examples. It concludes with a discussion on the attempts made to extend the hydrostatic extrusion to higher temperatures. brittle materials composites hot hydrostatic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003155
EISBN: 978-1-62708-199-3
... temperatures for metallic and ceramic superconducting materials. The advantage of the higher T c ceramics is that they can be cooled with liquid nitrogen, which is much cheaper and more abundant than helium (the cooling medium for metallic superconductors). The brittle nature of ceramic superconductors...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.9781627081948
EISBN: 978-1-62708-194-8
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005677
EISBN: 978-1-62708-198-6
.../restoration Polishing cup Abrasive slurry Traditional wear theory divides observed wear into categories of adhesive, abrasive, corrosive, and fatigue wear; however, predictions of these wear models depend on the materials behaving in a relatively brittle fashion. Most dental materials...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005930
EISBN: 978-1-62708-166-5
... are steady and are not within the σ-forming temperature range. Transformation from ferrite to σ phase at elevated temperature is accompanied by a change from ferromagnetic material and from a soft to a very hard, brittle material. All heat-resistant alloys of the Fe-Ni-Cr group are wholly austenitic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003089
EISBN: 978-1-62708-199-3
... Table 4 indicates the manufacturing processes used most frequently with different metals and plastics. The melting point of a material and level of deformation resistance and ductility determine these relationships. Some materials are too brittle to be plastically deformed; other materials are too...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.9781627081627
EISBN: 978-1-62708-162-7
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003153
EISBN: 978-1-62708-199-3
... mechanical properties compared with those of metals. Ferrites are produced from powdered raw materials by mixing, calcining, ball milling, pressing to shape, and firing to the desired magnetic properties. The final product is hard, brittle, and unmachinable, and thus close dimensional tolerances must be...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003167
EISBN: 978-1-62708-199-3
... unit volume of alloy increases as antinomy content increases. If antimony content is >15%, the total amount of the hard constituents increases to such an extent that the alloys become too brittle to be useful as bearing materials. Arsenic is added to lead babbitts to improve their mechanical...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005675
EISBN: 978-1-62708-198-6
... crystalline ceramics, porous ceramics, calcium phosphate ceramics, and bioactive glasses. The article discusses the compositions of ceramics and carbon-base implant materials, and examines their differences in processing and structure. It describes the chemical and microstructural basis for their differences...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005659
EISBN: 978-1-62708-198-6
.... biocompatibility ceramics medical implants metals nonresorbable polymers polymers resorbable polymers ultrahigh-molecular-weight polyethylene IDEALLY, THE DESIGN AND MATERIALS of which an implant is fabricated should accomplish the defined clinical objective. The local tissue response should produce a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... Abstract The selection of engineered materials is an integrated process that requires an understanding of the interaction between materials properties, manufacturing characteristics, design considerations, and the total life cycle of the product. This article classifies various engineered...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005656
EISBN: 978-1-62708-198-6
... metal/coating due to the limitations of traditional porous metals for numerous open-cell-structured metals, such as titanium-base foams and trabecular metal. cancellous-structured titanium cobalt-chromium beads fiber-metal mesh joint replacement metallic implant materials orthopedic surgery...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... Abstract This article addresses dies and die materials used for hot forging in vertical presses, hammers, and horizontal forging machines (upsetters). It reviews the properties of die materials for hot forging, including good hardenability, resistance to wear, plastic deformation, thermal...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005660
EISBN: 978-1-62708-198-6
... brittle tendencies of ceramic and glass materials have historically resulted in a narrow range of product applications. More recently, research labs are finding new applications in a clinical environment in which interdisciplinary, translational materials science activity is taking place. Like the status...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
... fracture, the material may fail by cleavage along specific atom planes or directions, or it may fail due to separation of microstructure at specific sites caused by embrittling impurities or corrosive attack. Regardless of the reason, brittle failures can usually be identified by the sharp, angular...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... OVERLOAD FAILURES, from the perspective of materials failure analysts, refer to the ductile or brittle fracture of a material when stresses exceed the load-bearing capacity of the material from either excessive applied stress or degradation of the load-bearing capacity of the material from damage...
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
... polymeric and ceramic materials are also included. (Fractography of electronic components is addressed in detail in Ref 1 .) In summary, the following are key features in distinguishing between monotonic versus fatigue fracture and ductile versus brittle fractures (on either a macroscale or microscale...