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Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000623
EISBN: 978-1-62708-181-8
... “d.” Deep tool marks in the bore of the hole are visible between arrows “e” and “f”; a section through the hole marked “b” in Fig. 1133 showed no such deep tool marks. Average tensile properties of two specimens cut from the disk were 1007 MPa (146 ksi) tensile strength, 17.5% elongation, and 39...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000611
EISBN: 978-1-62708-181-8
... propeller. Cracking originated at an internal fillet at a shoulder between the smooth bore ( Fig. 710 ) and the internal spline ( Fig. 711 ). Figures 712 shows clearly the inner fatigue zone and the outer zone of final tensile-shear fracture. The ratchet marks visible in Fig. 710 (at the bore) are shown...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000620
EISBN: 978-1-62708-181-8
... lower lug in Fig. 930 and 931 and of (at bottom) the mating surfaces of the yoke. Note discolored quadrant at top left corner of the bore of the lug (see also Fig. 934 ) and corresponding area in yoke fracture adjacent to bottom left corner of the bore. Edge of the discoloration is the beach mark...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005940
EISBN: 978-1-62708-166-5
... analysis, totally different relations between the changes of the three dimensions—height, bore radius, and outer radius—result. If the data for carburizing depth and hardenability are compared, very similar height changes but totally different changes of the inner and outer radii are found. Therefore, the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004003
EISBN: 978-1-62708-185-6
... applications, the bore experiences relatively low temperatures in service, while the rim, near the hot-gas path, sees very high temperatures. Therefore, it is often desirable to have a fine-grain bore with its high-strength characteristics and a coarse-grain rim for optimized creep resistance. To this end...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001231
EISBN: 978-1-62708-170-2
... and medium industries. Despite this wide use, conventional drilling remains a rough process that generally needs to be finished by boring or reaming. The tool materials used for drills are high-speed steels, carbides, CBN, and diamonds. High-speed steel in the form of twist drills comes in all sizes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... R513 classification of carbides according to use for machining Designation (a) Groups of applications Material to be machined Use and working conditions P01 Steel, steel castings Finish turning and boring; high cutting speeds, small chip section, accuracy of dimensions and fine finish...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
... p front brake rotors for an electric vehicle (RAV4-EV) 1997 Toyota Heat-spreader plates of an electronic cooling device (Prius hybrid vehicle) 1997 Porsche Porsche Boxter selectively reinforced cylinder bores 1997 GM Al-SiC p MMC engine cradle 1997 GM Extruded aluminum MMC...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006038
EISBN: 978-1-62708-172-6
... reduction in coating thickness, the localized loss of individual coating layers, and delamination of the coating from the steel substrate. The need for abrasion resistance arises during directional boring ( Fig. 9 ) when pipelines are inserted under roadways, railroads, pavement, streams, rivers, or any...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... of 12.5 mm (0.5 in.) from the surface of the bore. The stresses presented in Fig. 13 were computed assuming no cracks were present. These stresses are appropriate when analyzing for crack initiation or when cracks are very small, for example, less than 0.5 mm (0.02 in.). As the cracks grow, the...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... consistent size and quality. A wide range of scrap metals can be melted in the cupola. However, some forms of scrap metal are not practical to use in a cupola charge. Cast iron borings charged directly into the cupola are excessively oxidized if not blown out of the stack. With briquetting, limited...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001273
EISBN: 978-1-62708-170-2
... gasket should be somewhat larger than the tinned inside diameter of the shell(s). The radius of the mandrel or core should be at least 5 mm (0.20 in.) smaller than half the finished bore diameter of the bearing to allow for later stock removal. Large bearings may require a greater allowance for machining...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003186
EISBN: 978-1-62708-199-3
... Dimensional tolerance achievable through various machining operations under general machining conditions as a function of feature size Fig. 2 Surface finish achievable through various machining operations Conventional machining operations include turning, drilling, milling boring, broaching...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004040
EISBN: 978-1-62708-185-6
... ( Fig. 5b ) was 406 mm (16 in.) long and was pierced to a depth of more than 254 mm (10 in.) to provide a straight, central bore that was closed at one end and was machined later. Piercing forced the metal to flow in an outward direction to fill the die, thereby developing the outer configuration of the...
Book Chapter

By H.W. Sizek
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003984
EISBN: 978-1-62708-185-6
... unloading of the workpiece. Fig. 8 Forging of tubular parts over (a) a short mandrel and (b) a long mandrel Long tubes with cylindrical bores are forged over a short mandrel. The short mandrel, held with the mandrel rod, is positioned between the forging tools while the chuckhead moves the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006439
EISBN: 978-1-62708-190-0
... requirements of these tasks means that a high degree of image resolution is desirable. Figure 15 shows an example of an automotive assembly step. The image shows a part of a front end of a vehicle at which a robot must assemble a part. In order to do so, the bore hole needs to be detected with an accuracy of...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004037
EISBN: 978-1-62708-185-6
... flash line on the exterior of the cylinder; and at the flash line about the junction of the cylinder wall with the trunnion arm; and in the flash line at the small bore in the extremity of the trunnion; and in the plane of the flash line at the inner machined bore, especially at the grooved, closed end...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006265
EISBN: 978-1-62708-169-6
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000613
EISBN: 978-1-62708-181-8
... (A). 2.25× Fig. 758 A Surface of a fatigue fracture that originated at the inside of a hollow drill of AISI W1 tool steel. Fracture initiation was attributed to distortion of the bore of the drill during the production of a hot upset joint. 1.8× Fig. 759 Five fatigue-fracture...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003099
EISBN: 978-1-62708-199-3
... typical bearing steel Fig. 1 Effect of total length of inclusion stringers on the rolling contact fatigue life of a 220 mm (8.7 in.) bore tapered roller bearing inner race as a function of steel cleannesss ...