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Springs (elastic)

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0051293
EISBN: 978-1-62708-225-9
... was recommended as to select a grade of spring steel that would be more corrosion resistant than 302 stainless. Materials selection Spring steels Springs (elastic) Water feeders 302 UNS S30200 304 UNS S30400 Corrosion fatigue After six months of operating a new chicken house, a farmer noticed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0051292
EISBN: 978-1-62708-225-9
... the spring was operating. An alternative ink that contained no free chloride ions was recommended. Chlorides Printing Springs (elastic) 302 UNS S30200 Corrosion fatigue After only two months of use in a printing operation, type 302 stainless steel springs were breaking into several pieces...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0051294
EISBN: 978-1-62708-221-1
... (elastic) Stress relieving Hard-drawn carbon steel Fatigue fracture This example involves an agricultural tine, which is a relatively large double torsion spring with outer legs that are used to sweep through hay or other crops and turn them over. The tine machinery manufacturer submitted several...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046874
EISBN: 978-1-62708-229-7
... or a nickel-base alloy, such as Hastelloy B or C. Relief valves Springs (elastic) Torsional fatigue H21 UNS T20821 Corrosion fatigue The safety valve on a steam turbogenerator was set to open when the steam pressure reaches 2400 kPa (348 psi). The pressure had not exceeded 1790 kPa (260 psi...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001267
EISBN: 978-1-62708-215-0
... at rub marks on the inside edge of the spring. An investigation of loads encountered in service indicated that the springs had been loaded to a large fraction of the yield strength. Redesign of the spring mechanism was recommended. Springs (elastic) Woody fracture ASTM A228 UNS K08501 Fatigue...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001118
EISBN: 978-1-62708-214-3
... the minimum tolerable defect size was also recommended. Aircraft components Commercial planes Lubrication systems Springs (elastic) Wire 321 UNS S32100 Metalworking-related failures Fatigue fracture Background Visual Examination of General Physical Features Testing Procedure and Results...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... by yield strength. Fig. 5 Diagram of the temperature dependence of elastic, plastic, and fracture behavior of polycrystalline materials that do not exhibit a solid-state transformation. bcc, body-centered cubic; fcc, face-centered cubic; T , instantaneous absolute temperature; T M , absolute...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... is minimal and may not even be noticed. However, some components are expected to experience significant elastic and sometimes even plastic distortion during their service lives. Springs of all types are an obvious example of a cyclic elastic distortion by design. Many of the examples earlier...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001268
EISBN: 978-1-62708-215-0
... properties Leaf spring coupon number Yield strength, 0.2% offset Ultimate tensile strength, Elongation, % Modulus of elasticity, MPa ksi MPa ksi GPa 10 6 psi 1(a) 1140 165 1450 210 27.2 202 29.3 1(b) 1165 169 1455 211 27.0 220 31.9 2(a) 1200 174 1455 211...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001762
EISBN: 978-1-62708-241-9
... radius Fig. 4 The matching half of the fracture in Fig. 3 is shown Fig. 5 The larger button dent on the tested semi-float axle The leaf springs deflect substantially during side loading. Spring deflection and axle bending constitute stored elastic energy. This energy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
...-ray elastic constants of the material, variations of σ ij are the stress-tensor components, ϕ is the angle of the direction of strain measurement with respect to the frame of reference, ψ is the angle subtended by the bisector of the incident and diffracted beam, with the specimen normal, and ε ϕψ...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... , Sensing for Materials Characterization Processing and Manufacturing , ASNT , 1998 28. Ruud C.O. and Kozaczek K.J. , Errors Induced in Triaxial Stress Tensor Calculations Using Incorrect Lattice Parameters , Proc. 1994 SEM Spring Conference , Society for Experimental Mechanics...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... of fracture mechanics. The fracture mechanics approach is an important part of stress analysis at the tips of sharp cracks or discontinuities. The article reviews fracture mechanics concepts, including linear elastic fracture mechanics, elastic-plastic fracture mechanics, and subcritical fracture mechanics...
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
... elastic fracture mechanics analysis, with some mention of elastic-plastic fracture mechanics analysis. The article describes the probabilistic aspects of fatigue and fracture. Information on crack-growth simulation of the material is also provided. crack-growth simulation elastic-plastic fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001601
EISBN: 978-1-62708-235-8
... 4130 steel Spring back is the dimensional change of the formed part after the pressure of the forming roller has been released. It results from the strain produced by elastic recovery 8 and can cause dimensional distortions. When the load is released, elastic recovery will take place...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001440
EISBN: 978-1-62708-235-8
... it was fitted with a hand-operated regulating valve combined with a spring-loaded safety valve in the same housing. A rectangular late (which was not found after the mishap) had been affixed to the top end plate by means of soft solder; it probably carried the maker's name and other particulars...
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
... ). In the theory of joint design, the ideal application can be represented as a situation in which there is a rigid structure and a flexible or elastic fastener. The bolt then behaves like a spring ( Fig. 4a ). When the bolt is preloaded or when the spring is stretched, a stress is induced in the bolt...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
... the first moment [ 6 ]. Slightly before the club impacts the ball, the golfer’s hands reaccelerate causing the head to spring forward, pushing the ball forward with both the spring of the shaft and the force the golfer applies to the shaft. This once again reverses the load before the final reversal when...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... on a microscopic scale may have components of ductile or brittle crack propagation, but the macroscopic process of fracture is characterized by little or no work being expended in the form of permanent (i.e., plastic) deformation. The macroscopic behavior is essentially elastic up to the point of failure...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001797
EISBN: 978-1-62708-241-9
... homogeneous transformation matrix . Mech. Mach. Theory 19 , 33 – 42 ( 1994 ) 10.1016/0895-7177(94)90088-4 13. Smith J.O. , Liu C.K. : Stresses due to tangential and normal loads on an elastic solid with application to some contact problems . J. Appl. Mech. 20 , 157 – 166 ( 1953...