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torque tension testing

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Published: 01 January 1994
Fig. 5 Torque-tension test results for H-11, 22-4-22 threaded fasteners and alloy steel FN22 locknuts, coated with ion vapor deposited (IVD) aluminum or cadmium. ○, bolt and nut with IVD aluminum and cetyl alcohol; ●, bolt with cadmium and nut with cadmium; Δ, bolt with IVD aluminum and nut More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003323
EISBN: 978-1-62708-176-4
... Abstract This article provides an overview of the relationships between torque, angle-of-turn, tension, and friction and explains how they are measured and evaluated. It focuses on the principle, test equipment, procedure, evaluation, and test report of various testing methods, namely, friction...
Image
Published: 01 January 2000
Fig. 17 Cutaway of typical test setup using torque-tension research head. T A , tightening torque for generating load F V ; T G , component of tightening torque acting in threads; T K , frictional torque acting at bearing face of bolt head or nut; P , thread pitch More
Image
Published: 01 January 2005
Fig. 11 Electrohydraulic testing machine modified for combined torsional and axial loading: 1, upper crosshead; 2, tension load cell; 3, torque cell adapter No. 1; 4, torque cell; 5, torque cell adapter No. 2; 6, water-cooled grip; 7, specimen holder; 8, specimen; 9, induction coil; 10, ram More
Image
Published: 01 January 2000
Fig. 18 Electrohydraulic testing machine modified for combined torsional and axial loading. 1, upper crosshead; 2, tension load cell; 3, torque cell adapter No. 1; 4, torque cell; 5, torque adapter No. 2; 6, water-cooled grip; 7, specimen holder; 8, specimen; 9, induction coil; 10, ram; 11 More
Image
Published: 31 October 2011
Fig. 20 Typical tension test fixture. For qualification of application or preproduction testing, either bend or torque testing can be substituted for tension testing. More
Image
Published: 01 January 1993
Fig. 20 Typical tension test fixture. For qualification of application or preproduction testing, either bend or torque testing can be substituted for tension testing. More
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
... associated with wave effects and “ringing” in the load cells during high-strain-rate experiments (see the Section High Strain Rate Testing in this Volume). Fig. 18 Electrohydraulic testing machine modified for combined torsional and axial loading. 1, upper crosshead; 2, tension load cell; 3, torque...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001322
EISBN: 978-1-62708-170-2
... use of IVD aluminum as a cadmium replacement on threaded fasteners must account for the inherent limited lubricity of the aluminum coating ( Ref 23 ). Fig. 5 Torque-tension test results for H-11, 22-4-22 threaded fasteners and alloy steel FN22 locknuts, coated with ion vapor deposited (IVD...
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
... all of these aspects, which is primarily a result of the large deformations that are common in massive forming processes such as forging, extrusion, and rolling. For most common mechanical tests—simple tension and compression tests—the maximum uniform strains achieved are rather low because of necking...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
... be maintained. This is accomplished through the calibration of torque or pneumatic impact cut-off wrenches. The bolt-tension calibrator is a hydraulic instrument which measures the bolt tension developed by tightening the bolt or nut. The test is made on at least three bolts of each lot (size-grip combination...
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
... and the various components of a torsion testing machine. These include drive system, test section, torque and rotational displacement transducers, and rigid frame. torsional loading torsion test mechanical properties modulus of elasticity yield strength ultimate shear strength modulus of rupture...
Book Chapter

Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005555
EISBN: 978-1-62708-174-0
... to qualify both the process and the operator. The two qualification studs can be bend tested, torque tested, or tension tested. The physical test is satisfactory if no failure occurs in the weld or the heat-affected zone. Stud-welding code requirements (for example, Ref 2 and 7 ) define the necessary...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001360
EISBN: 978-1-62708-173-3
... is considered to be a prequalified procedure, that is, it is only necessary to weld two studs satisfactorily in the downhand position to qualify both the process and the operator. The two qualification studs can be bend tested, torque tested, or tension tested. The physical test is satisfactory if no failure...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003290
EISBN: 978-1-62708-176-4
... Abstract This article discusses stress relaxation testing on metallic materials, as covered by ASTM E 328. It reviews the two types of stress relaxation tests performed in tension, long-term and accelerated testing. The article illustrates load characteristics and data representation for stress...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009012
EISBN: 978-1-62708-185-6
... Abstract This article summarizes the types of hot working simulation tests such as hot tension, compression, and torsion testing used in the assessment of workability. It illustrates the use of hot torsion testing for the optimization of hot working processes. The article concludes...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006930
EISBN: 978-1-62708-395-9
... are in parallel. This is the appropriate model for experiments where the force or torque is the controlled parameter. The creep test is an example of this, in which a force or torque is applied instantaneously and the deformation is monitored as a function of time. When actual modeling is taking place...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
... 3 illustrates the data generation of this isothermal, steady-shear, time-sweep type of test, including time to reach peak and equilibrium torques. Fig. 3 Torque rheometry The underlying premise that must be remembered when using the torque rheometer is that only the motor load...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... with an installation torque range of 7.3 to 8.5 N · m (65 to 75 lbf · in.). Dimpled fracture features indicated that the head cracks were caused by overload; however, chemical analyses, hardness tests, and microstructural examination showed that the fasteners were within specifications. Unused fasteners and nuts from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... being installed on type 7075-T6 fasteners with an installation torque range of 7.3 to 8.5 N · m (65 to 75 in. · lb). Dimpled fracture features indicated that the head cracks were caused by overload; however, chemical analyses, hardness tests, and microstructural examination showed that the fasteners...