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barrel finishing

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0048674
EISBN: 978-1-62708-222-8
... steel. They were barrel finished to remove burrs and hardened and tempered to 45 to 52 HRC. The fasteners were electroplated with zinc and coated with clear zinc dichromate. During attachment of the fabric to the furniture, approximately 30% of the fasteners cracked and fractured as they were...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001034
EISBN: 978-1-62708-214-3
... orother attack on the metal immediately adjacentto the pit. 450×. Abstract The interior surface of a type 316L stainless steel trailer barrel used to haul various chemicals showed evidence of severe pitting after less than 1 year of service. Two sections were cut from the barrel...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
...? Is the screw speed normal? Is the barrel pressure high? Is the motor load high? Is there a solids-conveying problem? Is there a melting problem? Melt fracture Slip-stick phenomenon at the die lip wall Streamline the flow channel Reduce shear stress at the die lands: ○ Increase die...
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
.... Example 3: Bulging of a Shotgun Barrel Caused by a Change from Lead Shot to Iron Shot A standard commercial shotgun barrel fabricated from 1138 steel deformed during a test that was made with a new type of ammunition. Use of the new ammunition, which contained soft iron shot with a hardness of about...
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
...-enough safety factor to accommodate the added load. Example 3: Bulging of a Shotgun Barrel Caused by a Change from Lead Shot to Iron Shot. A standard commercial shotgun barrel fabricated from 1138 steel deformed during a test that was made with a new type of ammunition. Use of the new ammunition...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001532
EISBN: 978-1-62708-232-7
... used in the finishing stands of this particular HSM are of 810 mm barrel diameter (nominal) and 2000 mm barrel length. The hardness on the working surface of new rolls ranges between 80 and 85° shore “C.” The normal chemistry (in wt.%) of the “shell” material in such ICDP rolls is 3.30 to 3.40 C; 0.75...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001576
EISBN: 978-1-62708-219-8
... The problem was solved by: enlarging the corner radius of blade, and improving stress concentration factor from 4.9 to 2.5, removing burrs of blades by barrel grind finishing, strengthening the low stiffness plate of the casing, inserting rubber plates under the casing, and cutting off the high...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
...Process reinforcement capabilities and selected properties Table 1 Process reinforcement capabilities and selected properties Process Reinforcement Limitations to reinforcement Properties Surface finish (++ to −−) Flexural modulus Temperature resistance (trend) Tendency to warp...
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
... the result of cracks in untempered martensite that formed as a result of overheating during finish grinding. The shape and size of the head-to-shank fillet also have an important influence on fatigue performance. In general, the radius of this fillet should be as large as possible while at the same time...
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
... imperfections in the metal caused by segregation in the form of inclusions, such as sulfides and oxides in the ingot, or by folds, laps, or seams that have formed because of faulty working either in the semifinishing or finishing mills. Seams are crevices in the surface of the metal that have been closed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001813
EISBN: 978-1-62708-180-1
... or finishing processes. Corrosion contributes to spring failure in much the same way as it contributes to failure of other highly stressed structures, although in springs it is most often connected with fatigue. Nevertheless, static stress-corrosion failures can occur at high stresses in the presence...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
...-induced volume increase of the surface layer adds to the compressive stresses at the surface. Because the stresses are balanced, there is a corresponding increase in the tensile stresses in the core. Example 3 is a case where, although the transformation of the core starts later, it finishes before...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... operations are also classified as either primary metalworking (where mill forms such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing, extrusion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... (cyclic/steady, unidirectional/reversing) Speed Lubricants and lubrication system characteristics Lubricant cleanliness and filtration Operating temperatures Counterface (shaft) material and finish Alignment It is necessary to understand the bearing geometry (shapes, grooving...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... to plastics to reduce viscosity during processing and to increase the flexibility of the finished product. Plasticizers such as phthalates are typically incorporated into vinyl compositions to produce flexible PVC automotive upholstery, raincoats, and luggage. Water and solvents are used as temporary...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... to it need to be defined by inspection of pipe barrel interiors, manholes and risers, flow splitting chambers, sludge tanks, clarifiers, and tunnels associated with wastewater treatment systems. The purpose of this task is to document the location and extent of coating and concrete deterioration...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
...-roller bearings are truncated cones. Spherical-roller bearings are available with both barrel- and hourglass-shape rollers. Figure 1 shows the principal components of ball and roller bearings. Fig. 1 Principal components of rolling-element bearings. Bearing Materials A significant...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... and residential plumbing systems, SCC can occur in brass plumbing components that are used in a hard temper condition or that have residual stresses from final finishing, such as rolled threads. Stainless steel clamps used in residential cross-linked polyethylene (PEX) plumbing systems exhibit SCC when moisture...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... or in the barrel of the axle. (Case studies of common failure modes are provided in this article.) The latter often occurs from mechanical damage to the axle body from handling. The mechanical damage leads to a stress concentration, which initiates rotational bending-fatigue failure. To prevent mechanical damage...