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double torsion method

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003269
EISBN: 978-1-62708-176-4
... Abstract This article reviews the common methods of shear and multiaxial testing for the evaluation of engineering components such as fasteners and mill products. It discusses shear test methods, including through-thickness tests, in-plane shear tests, and double-notched shear test. The article...
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
... and behavior of ceramics and glasses. The article explains the double torsion and double-cantilever beam fracture mechanics methods, which employ test specimens with relatively large, induced cracks. Crack growth data are typically determined directly by the observation of the crack or by devices that monitor...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003311
EISBN: 978-1-62708-176-4
... on ceramics and CMCs: single edge notch bending, compact tension, double cantilever beam testing, chevron notch methods, and double torsion. It presents descriptions organized by their specimen types, and includes the advantages and disadvantages, as well as the experimental control schemes employed for each...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003263
EISBN: 978-1-62708-176-4
... to the point of torsional instability. A new method of converting torque to surface shear stress ( Ref 5 ) is based on the assumption that the shear stress at radius r is affected only by the history of this particular location. The torque is given by: (Eq 45) T = ∫ 0 a 2 π τ r 2...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003300
EISBN: 978-1-62708-176-4
..., several configurations of torsional Kolsky bar were introduced by several investigators ( Ref 5 , 6 , and 7 ). The various machines differ mainly in the method used for generating the torsional loading wave. Duffy et al. originally used explosive loading to initiate the loading pulse ( Ref 5 ). Others...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003295
EISBN: 978-1-62708-176-4
... Abstract This article reviews the dynamic factors, experimental methods and setup, and result analysis of different types of high strain rate shear tests. These include high strain rate torsion testing, double-notch shear testing and punch loading, drop-weight compression shear testing, thick...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006022
EISBN: 978-1-62708-175-7
...) process from powder production and powder processing through the characterization of the materials and their properties. It covers the processing methods for consolidating metal powders including options for processing to full density. The article outlines the freeform fabrication process, also known...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003320
EISBN: 978-1-62708-176-4
.... It provides an account of the various biaxial and multiaxial fatigue testing methods, specimen geometries, and stress intensity factors important in the study multiaxial fatigue. Widely used test methods are the torsion-rotating bending fatigue test and biaxial and triaxial fatigue tests. Common specimen...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003258
EISBN: 978-1-62708-176-4
... testing methods, including the tension test, plane-strain tension test, compression test, plane-strain compression test, partial-width indentation test, and torsion test. Aspects of testing particularly relevant to workability and quality control for metalworking processes are also described. Finally...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005864
EISBN: 978-1-62708-167-2
... Results of the static torsional testing are shown in Table 1 . Also included are some data from production axle shafts made from SAE 1038 and 1040 steel. It should be noted that the yield strength was determined by the Johnson elastic limit (JEL) method, which is defined by a 50% change in slope...
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: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003293
EISBN: 978-1-62708-176-4
... 10 3 –10 4 Double-notch shear and punch 10 4 –10 7 Pressure-shear plate impact Fig. 1 Strain rate regimes and associated instruments and experimental conditions The articles in this Section describe various methods for high strain rate testing. Several methods have been...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003296
EISBN: 978-1-62708-176-4
...-rate stress-strain response of materials using a split-Hopkinson pressure bar, hereafter abbreviated as SHPB ( Ref 18 ). The focus of this article is on the generalized techniques applicable to all SHPBs, whether compressive, tensile, or torsion. Emphasis is given to the methods of collecting...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005873
EISBN: 978-1-62708-167-2
... with emphasis on different time-temperature exposure requirements for furnace and induction tempering. It discusses two parametric methods for correlating equivalent time-temperature condition: Hollomon-Jaffe tempering correlation and Grange-Baughman tempering correlation. The article describes different...
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
... be exercised in the construction of stressing frames to prevent or minimize bending or torsional stresses. The simplest method of providing a constant load consists of a dead weight hung on one end of the specimen. This method is particularly useful for wire specimens. For specimens of larger cross section...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005870
EISBN: 978-1-62708-167-2
... that gets affected not only by induction hardening but also by residual stresses, quenching conditions, and grain size in the hardened condition. The article concludes with a review of induction heating or hardening in conjunction with other processing methods with examples in terms of properties...
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 Indentation, Techniques for Measuring Fracture Toughness II: Strength Methods , J. Am. Ceram. Soc. , Vol 64 ( No. 9 ), 1981 , p 539 – 543 10.1111/j.1151-2916.1981.tb10321.x 30. Pletka B.J. , Fuller E.R. Jr. , and Koepke B.G. , An Evaluation of Double Torsion Testing...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003380
EISBN: 978-1-62708-195-5
... , p 3 – 18 11. Lee S.M. , An Edge Crack Torsion Method for Mode III Delamination Fracture Testing , J. Compos. Technol. Res ., Vol 15 ( No. 3 ), fall 1993 , p 193 – 201 12. Li J. , Lee S.M. , Lee E.W. , and O'Brien T.K. , Evaluation of the Edge Crack...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... Abstract This article describes three design-life methods or philosophies of fatigue, namely, infinite-life, finite-life, and damage tolerant. It outlines the three stages in the process of fatigue fracture: the initial fatigue damage leading to crack initiation, progressive cyclic growth...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
... Abstract This article describes testing and characterization methods of ceramics for chemical analysis, phase analysis, microstructural analysis, macroscopic property characterization, strength and proof testing, thermophysical property testing, and nondestructive evaluation techniques...