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shear load testing

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091096
EISBN: 978-1-62708-234-1
... Abstract A 4340 steel shaft, the driving member of a large rotor subject to cyclic loading and frequent overloads, broke after three weeks of operation. The driving shaft contained a shear groove at which the shaft should break if a sudden high overload occurred, thus preventing damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001723
EISBN: 978-1-62708-221-1
... content. Although the degree of ductility shown in the standard tensile and bend tests was satisfactory, the material was highly notchsensitive, brittle fracture occurring under conditions involving loading at a slow rate, as in bending, and also under impact; and even during a shearing operation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... a critical resolved shear-stress law (Schmid’s law). Single crystals could be made to extensively twin rather easily. Today (2020), Sohnke’s law is no longer assumed to be valid (although a normal stress facilitates cleavage), and no critical shear-stress law based on external loading has been accepted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001438
EISBN: 978-1-62708-224-2
.... Under the stresses imposed during the test load, the local stress intensification introduced at this defective region served to trigger-off failure. The main portion of the hook broke in a brittle manner, whereas fracture through the weld metal occurred in shear at the characteristic angle of 45...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... by slip seemed to obey a critical resolved shear stress law (Schmid's law). Single crystals could be made to extensively twin rather easily. Today, Sohnke's law is no longer assumed to be valid (although a normal stress facilitates cleavage), and no critical shear stress law based on external loading has...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001840
EISBN: 978-1-62708-241-9
... undergoes the shear stress which finally dissembles the cladded bimetal. The shear strength is calculated by dividing the maximum pushing load by contact area of cladding plate and substrate. Also, to be more accurate, the shear strength test was carried out three times for each sample, and the average...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001807
EISBN: 978-1-62708-241-9
... to assess the role of friction in subsurface fatigue cracking in rolling-sliding contact applications. Based on the results of stress calculations and x-ray diffraction testing of steel samples, friction contributes to subsurface damage primary through its effect on the distribution of orthogonal shear...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... analysis of the component is necessary. Stress analysis is initially performed in the design stage of a development project. Frequently, principal stresses and maximum shear stresses are important to the designer because both are used in common failure expressions to calculate maximum load capability (e.g...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001596
EISBN: 978-1-62708-225-9
... spring diameter, d is the diameter of the wire, N is the number of turns, and G is the shear modulus. 5 The uncorrected shear stress is calculated from: (Eq 2) τ x = 8 P D m π d 3  in MPa  where P is the load in N . The corrected stress is obtained by multiplying...
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
... the effects of load frequency and temperature, material condition, and manufacturing practices on fatigue strength. It provides information on subsurface discontinuities, including gas porosity, inclusions, and internal bursts as well as on corrosion fatigue testing to measure rates of fatigue-crack...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... different approximations of the fatigue diagram. The shape of the diagram depends mainly on the material, the geometry of the component, and the type of loading (axial, bending, torsion, and shear). The lines are determined by the ultimate tensile strength, S u , and the alternating fatigue strength...
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
... • Can perform testing at multiple temperatures with a single loading Capillary • Can actually measure high shear rates that are encountered in industrial applications • Can be used to study melt fracture Test Methods Unidirectional Steady State Flow One common way...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001909
EISBN: 978-1-62708-235-8
... resulted in sheared welds and unacceptably low loads. Figure 1 shows an example of a sheared plug weld. Note the burning that occurred on the underside of the parent material, indicating a lack of weld process control. The process was improved, however, and subsequent peel testing revealed a lower than...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001668
EISBN: 978-1-62708-232-7
... that measured from the tensile tests indicates that a considerable amount of notch strengthening is occurring due to the restraint of the bolt and thread geometry. A check was made on bolt load due to various torquing conditions. A torque of 69 Nm corresponded to a load of 36.3 kN which was well above...
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
... (extrusion plastometer, ASTM D1238-13, Ref 8 ); however, the data generated are influenced by preheating time, test chamber temperature, and applied load (shear force and shear rate) as well as preparatory cleaning and charging of the polymer pellets into the test orifice (ungloved hand oils acting...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
...]</xref> The stress condition associated with RCF is illustrated schematically in Fig. 3 . With any condition of rolling, the maximum stress being applied at or very near the contact area is the shear stress parallel to the rolling surface at some point below the surface. For normally loaded gear teeth...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001285
EISBN: 978-1-62708-215-0
... of individual wires, thus inducing them to fail in shear. Shear failure required substantially lower service loads. In addition, overtightening of the clip caused physical crushing damage in a majority of the individual wires, thereby further, and again substantially, reducing the load-carrying capacity...
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
... fasteners are one-piece fasteners, either solid or tubular, that are used in assemblies in which the load is primarily shear. A malleable collar is sometimes swaged or formed on the pin to secure the joint. Special-Purpose Fasteners Special-purpose fasteners, many of which are proprietary...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001671
EISBN: 978-1-62708-234-1
... structure and lack of carbides in the band. The adiabatic shear bands are considerably harder than the surrounding tempered martensite structure. Figure 8 shows several 10gf Vickers microhardness indentations on and around a shear band. The tempered martensite hardness was 330 HV (10gf load...
Image
Published: 15 January 2021
Fig. 32 Microstructure and fracture appearance of type 316L stainless steel tested in creep to fracture in air at 800 °C (1470 °F), using a 53 MPa (7.7 ksi) load. Time to rupture: 839 h. The light micrograph (a) illustrates w-crack coalescence by slow shearing along grain boundaries More