1-20 of 248 Search Results for

flexural strength test

Sort by
Image
Published: 15 June 2020
Fig. 18 Flexural strength test results. (a) Stress-strain curve. (b) Fracture sample. Source: Ref 26 . Reprinted from F.Y. Niu, D.J. Wu, F. Lu, G. Liu, G.Y. Ma, and Z.Y. Jia, Microstructure and Macro Properties of Al 2 O 3 Ceramics Prepared by Laser Engineered Net Shaping, Ceram. Int. , Vol More
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...
Image
Published: 01 January 1993
Fig. 10 Polished brazed coupons after being sliced in a series of parallel cuts to produce bars for flexural strength testing More
Image
Published: 01 January 2000
Fig. 27 Flexure strength standard test methods; all dimensions in mm More
Image
Published: 01 November 1995
Fig. 16 Flexure strength standard test methods; all dimensions in mm More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003312
EISBN: 978-1-62708-176-4
... of cracking. Wide variety of different calibrations available Effective only in materials that do not chip or flake when indented. Inappropriate for tough or porous materials. Result typical for small cracks Indentation strength (IS) A flexural test on a beam into the tensile side of which has been...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003319
EISBN: 978-1-62708-176-4
.... The larger stress-intensity factor is a result of the crack-length dependence of the toughening mechanism that is active in toughened ceramics. Strength-Based Test Methods Strength-based methods or “indirect” methods employ smooth test specimens, such as flexural beams or tensile specimens...
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
... Compressive Creep Testing Compressive creep testing of plastic is addressed in ASTM D2990. Normally, creep information is given for tension loading. Flexural Strength Test (ASTM D790, ASTM D6272, and ISO 178) Flexural strength is the maximum stress developed when a bar-shaped test piece, acting...
Book Chapter

By Tim Pepper
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003363
EISBN: 978-1-62708-195-5
... mechanical properties of polyester resins Table 1 ASTM test methods for characterizing mechanical properties of polyester resins Properties ASTM Test Method Tensile strength, modulus, and % elongation D 638 Flexural strength and modulus D 790 Compressive strength, modulus...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003453
EISBN: 978-1-62708-195-5
..., nondestructive testing of the structure is used to verify the strength of the concrete and the location of the reinforcement. The quality of the concrete can be investigated using acoustic impact (e.g., chain dragging), rebound hammers (Schmidt Hammer shown in Fig. 1 ), and penetration resistance (Windsor Probe...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... is span length). The quarter-point loading has been utilized primarily for high-modulus materials such as graphite/epoxy. These test methods are used for determining flexural strength and modulus. However, for unidirectional composites there is an assumption that flexural strength and modulus...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003443
EISBN: 978-1-62708-195-5
... as a flexural test for sandwich core shear evaluation, the scope also allows use for determination of facing tensile strength. While this use is not well documented within the test method, it has been used for tensile testing of composite materials, particularly for 90° properties of unidirectional materials...
Image
Published: 01 November 1995
Fig. 19 Labelled Weibull graph that displays both strength and fractography data for a 99.9% alumina tested in three-point flexure at room temperature. σ 0 , characteristic strength; m , Weibull modulus More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003321
EISBN: 978-1-62708-176-4
... strength. A material having a ratio above 0.75 often will fail due to its inability to undergo plastic deformation under load. Flexural Modulus and Strength For ceramics and polymer materials, modulus and strength is often evaluated by flexural testing. In the case of ceramics, bend testing...
Image
Published: 01 January 2000
Fig. 20 Indentation strength (IS) fracture test method for R -curve behavior where observed flexural strength is a function of indentation force in a series of two experiments. Specimens for A included residual stress of indentation; specimens for B had the residual stress annealed out More
Image
Published: 01 January 2001
Fig. 4 Flexural strength retention of glass-polyester composite when aged at 200 °C (390 °F), tested at room temperature More
Image
Published: 01 January 2001
Fig. 5 Flexural strength retention of glass-polyester composite when aged at 220 °C (430 °F), tested at room temperature More
Image
Published: 01 January 2001
Fig. 6 Flexural strength retention of glass-polyester composite when aged at 240 °C (465 °F), tested at room temperature More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... a couple of the most critical characteristics that define a product and strive for comparison against historical values rather than absolute properties. Many QC tests do not measure absolute mechanical properties. For example, flexural strength and modulus do not in general coincide with the strength...
Image
Published: 01 November 1995
Fig. 15 Flexural strength values of high-performance reaction-bonded silicon nitride of different densities. Measured on 6 by 3 mm (0.24 by 0.12 in.) ground test bars in three-point loading on a 25 mm (1 in.) span More