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Charpy 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: 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 Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003667
EISBN: 978-1-62708-182-5
... specimens are exposed to the environment. The latter condition is much more severe and discriminates against much lower levels of hydrogen but is more representative of the end use of a part. Cantilever Beam (CB) Test The cantilever beam (CB) test is a constant- load test in which a V-notched...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003243
EISBN: 978-1-62708-199-3
...-load test in which a V-notched specimen is inserted along a portion of the beam and enclosed by an environmental chamber ( Fig. 9 ). A crack at the root of the V-notch is initiated and extended by fatigue before testing. Notch-root thickness is prescribed by ASTM, although the requirement often...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006583
EISBN: 978-1-62708-210-5
... max Sn 0.15 max Ti … Zn 0.15 max Other (each), max … Other (total), max 0.25 Al bal Fig. 1 518.0-F, die cast aluminum casting rotating-beam fatigue curve. Smooth and notched specimens from one lot, with comparison to prior test. Fig. 2 518.0-F, die cast...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002380
EISBN: 978-1-62708-193-1
... is the selection of a test specimen. Five different specimen geometries are allowed. These are the single edge-notched bend specimen, SE(B), compact specimen, C(T), arc-shape tension specimen, A(T), disk-shape compact specimen, DC(T), and the arc-shape bend specimen, A(B). Many of these specimen geometries...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002398
EISBN: 978-1-62708-193-1
.... These include the Charpy V-notch impact test, the drop-weight test, the dynamic tear test, and specialized procedures to determine plane-strain fracture toughness. Higher toughness is obtained when a steel is quenched and tempered, rather than normalized and tempered; quenching, followed by tempering, produces...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001474
EISBN: 978-1-62708-173-3
... or have cracks or other open defects that exceed a specified maximum size (usually, 3.2 mm, or 0.125 in.) on their convex surface. Notch Toughness Tests Charpy V-notch impact tests are used to measure the toughness of weld metals and HAZs. Charpy V-notch specimens are usually removed from the weld...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005557
EISBN: 978-1-62708-174-0
... must not fracture or have cracks or other open defects that exceed a specified maximum size (usually 3.2 mm, or 0.125 in.) on their convex surface. Impact Toughness Tests Charpy V-notch impact tests are often used to measure the fracture toughness of weld metals and HAZs. Charpy V-notch...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003325
EISBN: 978-1-62708-176-4
... of an impact. Methods that use sharp crack tips and thus can apply the loading more slowly are discussed in the next section on fracture toughness. Charpy The Charpy V-notch impact test is the most common measurement method for fracture toughness of welded joints. Specifications for the test are given...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006345
EISBN: 978-1-62708-179-5
... Pearlite or tempered martensite DQ&T (e) … … … … … … … … … By agreement Tempered martensite (a) ISO mean values from three tests. Measured from separately cast V-notched samples at room temperature (RT). SAE J434 are typical values for separately cast Charpy unnotched samples...
Book Chapter

By Malcolm Blair
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001023
EISBN: 978-1-62708-161-0
..., 0.20% Mo max, and 0.03% V max, with the total residual elements not exceeding 1.00%. (h) These ASTM specifications also include alloy steel castings for the general type of applications listed in the Table. (i) Testing temperature of −32 °C (−25 °F). (j) Charpy V-notch impact testing...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006580
EISBN: 978-1-62708-210-5
... hardness, 500 kg load, 10 mm diam. ball 50 Shearing strength, MPa (ksi) 131 (19) Endurance limit, 500 × 10 6 cycles, rotating beam RR Moore test, MPa (ksi) 117 (17) Tensile properties are average values obtained from ASTM Standard round die-cast specimens produced on a cold chamber (high...
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
... in. diameter specimens machined from 1.2 in. diameter test bar. (b) Rotating cantilever beam tests; strength specified is between 10 6 and 10 7 cycles. Source: Ref 4 Fig. 1 Ratio of alternating bend fatigue strength/tensile strength of gray cast iron, compacted graphite iron, and spheroidal...
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.a0003305
EISBN: 978-1-62708-176-4
... of the transition-temperature range for Charpy V-notch testing of low-carbon steel plate, as determined by (a) fracture energy, (b) fracture appearance, and (c) fracture ductility. The drawings at lower right in the graphs indicate: (a) orientation of the specimen notch with plate thickness, t , and direction...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005324
EISBN: 978-1-62708-187-0
... cast V-notched samples at room temperature (RT). SAE J434 are typical values for separately cast Charpy unnotched samples at RT. (b) Grades are listed in a simplified format. See text. Customary units are for information and are not part of Ref 3 . Mechanical properties of test specimens from cast...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006587
EISBN: 978-1-62708-210-5
... (ksi) … 95 (14) Shear strength, MPa (ksi) … 180 (26) Fatigue strength at 5 × 10 8 cycles, R R Moore test, MPa (ksi) 75 (11) 62 (9) Impact strength, Charpy V-notch … 2.7 to 4.0 J (2 to 3 ft · lbf) (a) 30 days after casting. PM, permanent mold Fig. 1 C712.0-F, permanent...