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Izod notched-beam test

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003256
EISBN: 978-1-62708-176-4
... of plastics include the short-term tensile test, the compressive strength test, the flexural strength test, and the heat deflection temperature test. The most commonly used tests for impact performance of plastics are the Izod notched-beam test, the Charpy notched-beam test, and the dart penetration test. Two...
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Published: 01 December 1998
Fig. 24 Notched-bar impact-test specimens. (a) Simple beam V-notch Charpy specimen. (b) Simple beam keyhole-notch Charpy specimen. (c) Cantilever beam notched Izod specimen. Source: Notched Bar Impact Testing of Metallic Materials, E 23-81, ASTM, 1981 More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
.... The general classes of impact tests are shown in Fig. 16 . However, this section briefly describes three of the most commonly used tests for impact performance: Izod notched and unnotched beam, Charpy notched beam, and dart drop penetration (puncture) tests. Fig. 16 Categories of impact test methods...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003308
EISBN: 978-1-62708-176-4
... of the test setup ( Fig. 2 ). The Charpy test involves three-point loading, where the test piece is supported at both ends as a simple beam. In contrast, the Izod specimen is set up as a cantilever beam with the falling pendulum striking the specimen above the notch ( Fig. 2b ). Fig. 2 Specimen types...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006919
EISBN: 978-1-62708-395-9
... design requirements. Perhaps three of the most commonly used tests for impact performance are the Izod and Charpy notched-beam tests and the dart penetration test. Each is briefly discussed as follows. The Izod and Charpy tests are very similar in that they are both notched-beam specimens subjected...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... the mechanical properties of engineering plastics. The testing methods for determining mechanical properties, including stress-strain test, modulus-directed tensile test, strength test, strength-directed tensile test, impact test, and dynamic mechanical test are discussed. crystallinity engineering...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002477
EISBN: 978-1-62708-194-8
... as a function of specimen thickness. PBT, polybutylene terephthalate; M-PPO, modified polyphenylene oxide Fig. 5 Ratio of cross-flow/flow ultimate stress as a function of specimen thickness Part Strength and Impact Resistance A number of test methods such as Izod (notched beam) and Gardner...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 30 January 2024
DOI: 10.31399/asm.hb.v12.a0006947
EISBN: 978-1-62708-387-4
... and amorphous polymers. Characteristic fractographic features from each are highlighted and discussed. Traditionally, the impact resistance or impact strength of a polymer is measured by means of an Izod or Charpy impact test. In these experiments, a notched (sometimes unnotched) bar is impacted...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003008
EISBN: 978-1-62708-200-6
...) ASTM D 790 Impact strength, J/m(ft · lbf/in.) 12.3 (0.23) 12.3 (0.23) 12.3 (0.23) ASTM D 256 notched, Izod Rockwell hardness, M scale 84 89 97 ASTM D 785 Water absorption, % 0.3 0.3 0.3 ASTM D 570 wt gain, 24 h (a) Flow grade per ASTM D 788 Acrylic plastics can...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001069
EISBN: 978-1-62708-162-7
... in.) Hardness Heat treated, 105 HB Poisson's Ratio 0.32 Elastic Modulus Tension, 115 GPa (17 × 10 6 psi) Impact Strength Izod, 41 J (30 ft · lbf); Charpy V-notch, 27 J (20 ft · lbf) Fatigue Strength 105 MPa (15 ksi) at 10 8 cycles Mass Characteristics Density 8.82 g...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0005689
EISBN: 978-1-62708-176-4
...) of a family of fracture of the specimen. Contrast with Izod curves, each of which is for a single fatigue life resistance to change in volume; the ratio of test. (number of cycles), relating alternating stress, hydrostatic stress to the corresponding unit chevron pattern. A fractographic pattern of ra...
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 Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003009
EISBN: 978-1-62708-200-6
... of this appearance factor depends entirely on the visibility of the product in use. Figure 2 shows the response of HP ionomer to a notched Izod versus temperature test, compared with two of the toughest, no-glass engineering resins. The gradual reduction in impact resistance as the temperature is lowered results...
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
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006344
EISBN: 978-1-62708-179-5
.... The transverse test evaluates the maximum load and deflection. Typical transverse breaking loads for ASTM International classes of gray iron are presented in Table 4 . The resulting value is converted into a nominal index of strength by using the standard beam formula. The value that is determined...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002399
EISBN: 978-1-62708-193-1
...” ). A comparison of the different test methods is also reviewed for cast iron toughness in Ref 5 . In general, test bars for the Charpy or Izod impact testing of cast irons are larger than those used for testing steels. Increases in the size of as-cast specimens cause a relative reduction in impact strength...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001027
EISBN: 978-1-62708-161-0
... Tempering temperature Tensile strength Yield strength Elongation in 50 mm (2 in.), % Reduction in area, % Hardness, HB Izod impact energy °C °F MPa ksi MPa ksi J ft · lbf Water quenched and tempered (a) 205 400 1765 256 1520 220 10.0 33.0 475 18 13 260 500 1670...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... liability. Dynamic Loading Dynamic loading is one of the most challenging design conditions to simulate and accurately test for in plastic products. The plastics industry has addressed this very complex phenomenon by testing materials with several very simple impact tests: Izod impact, notched...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005329
EISBN: 978-1-62708-187-0
... Fig. 3 Typical Izod impact energies of austenitic manganese steels. See Fig. 2 for key. The molybdenum-alloyed manganese steels can be divided into two groups: those with 1% Mo and those with 2% Mo. The 1% Mo category is further divided into a normal alloy segment and a so-called lean alloy...