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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
... coefficient testing, torque tension testing, locknut testing, and angular ductility and rotational capacity tests. The article reviews the basic methods and fundamental principles for mechanical testing of externally and internally threaded fasteners and bolted joints. The test methods for externally threaded...
Image
Published: 01 January 1996
Fig. 9 Typical fatigue life test specimens. (a) Torsional specimen. (b) Rotating cantilever beam specimen. (c) Rotating beam specimen. (d) Plate specimen for cantilever reverse bending. (e) Axial loading specimen. The design and type of specimen used depend on the fatigue testing machine used More
Image
Published: 01 December 1998
Fig. 37 Typical fatigue life test specimens. (a) Torsional specimen. (b) Rotating cantilever beam specimen. (c) Rotating beam specimen. (d) Plate specimen for cantilever reverse bending. (e) Axial loading specimen. The design and type of specimen used depend on the fatigue testing machine used More
Book Chapter

By Dong-Ying Ju
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v4F.a0007000
EISBN: 978-1-62708-450-5
... decreased as rotational speed increased. The conclusion was the same, irrespective of the polymer quenchant concentration. Moreover, the redesigned tank can be used more effectively to evaluate cooling capacity than the ASTM D8482 tank, as propeller agitation performed in the symmetrical redesigned...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005900
EISBN: 978-1-62708-167-2
.... These alloys allowed the production of rotating engine parts—turbine blades, foils, and discs—that can be operated at high-temperature levels with a reasonable lifetime of the component. In the 1960s, materials researchers identified fracture toughness and low-cycle fatigue (LCF) as the most limiting factors...
Book Chapter

By Joel W. House, Peter P. Gillis
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003259
EISBN: 978-1-62708-176-4
... of the electric motor in combination with the design of the gear box transmission. Crosshead speed of hydraulic machines is limited to the capacity of the hydraulic pump to deliver a steady pressure on the piston of the actuator or crosshead. Servohydraulic test machines offer a wider range of crosshead speeds...
Book Chapter

By Howard A. Kuhn
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
... provides information on torsional (rotational shear) tests as well as the basic equipment and setup of torsion testing. Motors, twist and torque transducers, torque sensors, and heating systems as well as the specimen preparation procedure are also discussed. shear testing torsion testing...
Book Chapter

By Frank Wardle
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006362
EISBN: 978-1-62708-192-4
... and Bearing Types Supplying bearings with externally pressurized gas has the advantage of improving load capacity and stiffness, particularly at low rotational speeds where aerodynamic effects are negligible. It also eliminates free play when the bearing is static, giving precise location of the rotor...
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v4F.a0007007
EISBN: 978-1-62708-450-5
... superior vertical and rotational flow, where the agitation performance can be evaluated using the primary pumping capacity of the agitator ( Eq 8 ) and the working volume to calculate the tank turnover rate. Vertical flow velocity can be evaluated by calculating the superficial velocity (FPM): (Eq 11...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005515
EISBN: 978-1-62708-197-9
... is that during DD-RFW, the energy supplied to the rotating part comes from a large-capacity motor, while for IFW, the rotating part is connected to a flywheel. The drive motor is disconnected from the flywheel before the rotating and stationary parts are pushed together, so that energy is supplied to the joint...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003669
EISBN: 978-1-62708-182-5
...) of materials. Laboratory tests used to evaluate erosion, cavitation, and impingement damage on metals include the following ( Ref 3 , 4 , 5 , 6 , 7 , 8 , 9 ): High-velocity flow tests, including venturi tubes, rotating disks, and ducts containing specimens in throat sections High-frequency...
Book Chapter

By Stéphane Guillard, Koushik Ray
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... Abstract Thermomechanical are used to gain insight into the causes of problems that arise during a given thermomechanical process. This article provides examples to demonstrate how significant the parameters were selected for specific tests. It examines the types of problems that can occur...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005850
EISBN: 978-1-62708-167-2
... Abstract Hardness testing equipment is important as all results from the induction equipment are graded by the hardness testing equipment. This article includes maintenance tips and points to consider regarding hardness test equipment, power supplies, controls, programmable logic controllers...
Book Chapter

By Troy Robinson
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006034
EISBN: 978-1-62708-175-7
... some of the developments for PM presses in the last 40 years. Other recent improvements in compaction technology include: Split-die techniques to make multilevel parts having different peripheral contours at different levels Punch rotation capability to facilitate production of helical gears...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... of those shafts are parallel; however, many are at 90° to each other, and there also are relatively uncommon mechanisms where the shafts are at other angles. When a gear rotates, the teeth are acted on by the typical centripetal forces while also being subjected to bending fatigue forces...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005243
EISBN: 978-1-62708-187-0
... floor. An effective sand control program should also include a testing program for these four basic ingredients of green sand molds (see the section “Sand System Testing” in this article). Next in importance is the condition of the sand processing equipment and sand system engineering...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003990
EISBN: 978-1-62708-185-6
... Differences between rotary and radial forging. (a) In rotary forging, the upper die, tilted with respect to the lower die, rotates around the workpiece. The tilt angle and shape of the upper die result in only a small area of contact (footprint) between the workpiece and the upper die at any given time...
Book Chapter

By Edward H. Tulinski
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001234
EISBN: 978-1-62708-170-2
..., utilizes the sliding movement of an upper layer of workload in the tumbling barrel, as shown in Fig. 1 . The barrel is normally loaded about 60% full with a mixture of parts, media, compound, and water. As the barrel rotates, the load moves upward to a turnover point; then the force of gravity overcomes...
Book Chapter

By Taylan Altan, Manas Shirgaokar
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003974
EISBN: 978-1-62708-185-6
... such a test. In off-center loading with 220 tons (or 44% of the nominal capacity) an average ram-bed nonparallelity of 0.0315 mm/cm (0.038 in./ft) was measured in both directions, front-to-back and left-to-right. In comparison, the nonparallelity under unloaded conditions was about 1.7×10 −3 mm/cm (0.002...
Book Chapter

By Mark T. MacLean-Blevins
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
... of possible materials almost immediately. For example, if the application includes providing a container for some chemical or liquid substance, the designer will immediately think about blow molding or perhaps rotational molding, depending on the capacity required. If the application includes providing...