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impact toughness testing

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... testing, macroindentation hardness, microindentation hardness, and the impact toughness test. bend testing failure analysis impact toughness test macroindentation hardness microindentation hardness static load testing uniaxial compression testing uniaxial tension testing The...
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
... 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 to...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... synonymous with impact resistance, and laboratory impact tests have been accorded an importance that may be unwarranted. Realistically, impact tests do not provide infallible information on the ductility of materials and the toughness of end products, even in the restricted context of impact resistance per...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... disadvantage of Rockwell type tests, for which 15 standard and 15 superficial scales were developed. Not one of these scales can cover the full hardness range. The HRA scale covers the broadest hardness range, but it is not commonly used. In the Vickers test, the load is applied smoothly, without impact...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
.... The article describes testing methods such as room and high-temperature strength test methods, proof testing, fracture toughness measurement, and hardness and wear testing. It also explains methods for determining thermal expansion, thermal conductivity, heat capacity, and emissivity of ceramics and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003026
EISBN: 978-1-62708-200-6
... primarily as thin films in capacitors and dielectric coatings; numerous polymer modifications exist Film coatings Phenoxies Tough, rigid, high-impact plastic; useful for electronic applications below about 80 °C (175 °F) Blow moldings, extrusions, injection moldings, film Polyallomers...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
..., fiber pullout, and impact damage. Table 1 shows some of the defects that may appear in composite laminates and their effect on the structural performance. While the emphasis of most practical nondestructive evaluation (NDE) is on detection of delaminations, porosity, and impact damage, Table 1 shows...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... Abstract This article discusses the equipment design, procedures, experimental considerations, and interpretation of the torsion tests used to establish workability. It describes the application of torsion testing to obtain flow-stress data and to gage fracture-controlled workability and flow...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003995
EISBN: 978-1-62708-185-6
... Lucke ( Ref 1 ) found that, in the forging of steels, ferrite grains were coarser when the deformation temperature was high and when the reductions were relatively small. This discovery became industrially important when it was realized that impact toughness was a critical material property in the...
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
... secondary or impact induced • Low temperatures • Cyclic stress exceeded the endurance limit of the material • Check for proper strength, surface finish, assembly, and operation • Prior damage by mechanical or corrosion modes may have initiated cracking • Alignment, vibration, balance • High cycle low...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... expectations of consumers and users. These expectations include attributes such as: Greater safety Improved reliability Higher performance Greater efficiency Easier maintenance Lower life-cycle cost Reduced impact on the environment Some or all of these qualities at one time...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003108
EISBN: 978-1-62708-199-3
... values in the table are a minimum for the average of the highest three test values of four tested samples. (b) Elongation and impact requirements are not specified. Although grades 200–155–1, 1400-1100-1, 230-185, and 1600-1300 are primarily used for gear and wear resistance applications, grades 200...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... properties and specifications of test bar. It discusses the properties of gray iron, such as fatigue limit, pressure tightness, impact resistance, machinability, and dimensional stability, at both room and elevated temperature. Wear behavior of gray iron castings during sliding contact under conditions of...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005966
EISBN: 978-1-62708-166-5
... information on the impact of alloying on vulnerability to decarburization, and the impact of decarburization on the mechanical properties of steels and cast irons. The article also describes the technological operations that potentially cause decarburization and the practical implications for induction...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003012
EISBN: 978-1-62708-200-6
... article “Flammability Testing” in this Volume. Impact modifiers are additives that improve the impact strength or toughness of plastics with minimal impairment of other properties. They can be added in such large percentages (>50%) that they become a component in a blended material rather than an...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005655
EISBN: 978-1-62708-198-6
... bearing (including maxillofacial and dental components) to major load bearing (such as spinal fusion and impaction grafting). Depending on the clinical requirement, ceramics may be used for articulation or direct bone bonding. This article provides a brief history of the bioceramics field, a...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
... more multilevel parts with complex geometric shapes are produced. Detecting defects as early as possible during the production sequence can have a significant economic impact. For pressed and sintered parts, this means detection of defects in the as-compacted or “green” state. While the PM industry has...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003104
EISBN: 978-1-62708-199-3
... flow conditions induce cavitation in the liquid adjacent to a surface, and when droplets carried by a flowing gas impact against a surface. Corrosion may be involved in the erosion process, especially in liquids or when the temperature is above room ambient. When abrasion testing of materials...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003103
EISBN: 978-1-62708-199-3
... whether a controlled compressive stress is desired in the part. Although tensile properties may not differ significantly from one alloy steel to another, considerable differences may exist in fracture toughness and low-temperature impact properties. In general, steels with a higher nickel content, such as...