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surface flatness

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Image
Published: 01 March 2002
Fig. 5.48 Micrograph showing interference fringes on a flat, polished specimen surface. Unetched. Taken with a green filter. 500× More
Image
Published: 01 January 2015
Fig. 19.21 Flat cleavage facets and microvoids on fracture surface of 4340 steel containing 0.003% P and tempered at 350 °C (662 °F). Specimen was broken by impact loading at room temperature. Source: Ref 19.49 More
Image
Published: 01 November 2019
Figure 41 Image at 110 °C at which the surface is flat. Increasing the temperature further will force the surface concave. More
Image
Published: 01 August 2018
Fig. 4.22 Flat glass at 45° makes possible illumination normal to the surface of small samples (arrangement D in the text). More
Image
Published: 01 August 2018
Fig. 10.74 Surface of the flat end of a steel pick. The dark region was subjected to selective quenching. The quenching extension is not regular. This was probably caused by nonuniform heating of the region to be quenched. The Rockwell hardness impressions on the part confirm that the dark More
Image
Published: 01 November 2007
Fig. 10.68 Surface appearance of one of the wastage flats with the maximum wastage of the 304H reheater tube shown in Fig. 10.67 . Courtesy of Welding Services Inc. More
Image
Published: 01 March 2006
Fig. 5.5 Ball or roller bearing on flat surface showing general 3-D state of stress below the surface More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310213
EISBN: 978-1-62708-286-0
... factors pertinent to important considerations in buildings, namely surface finish aesthetics, flatness, maintenance, repair, fabrication, and service considerations. It ends with a section providing information on concrete reinforcing bar. stainless steel construction corrosion resistance...
Image
Published: 30 November 2013
Fig. 1 (a) Sketch of counterformal, or convex, surfaces in contact; examples are gear teeth and roller or needle bearings rolling on a shaft, in an inner raceway, or on a flat surface. (b) Sketch of conformal surfaces, where a convex surface is in contact with a concave surface; examples More
Image
Published: 01 November 2012
Fig. 15 (a) Sketch of counterformal, or convex, surfaces in contact; examples are gear teeth and roller or needle bearings rolling on a shaft, an inner raceway, or a flat surface. (b) Sketch of conformal surfaces, where a convex surface is in contact with a concave surface; examples are ball More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390173
EISBN: 978-1-62708-459-8
... for evaluating, applying, and treating lubricants for industrially important materials including iron-base, nickel-base, and aluminum alloys. cold rolling flat rolling friction hill hot rolling lubrication mechanisms pass geometry roll force roll wear rolling lubricants surface finish sticking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270067
EISBN: 978-1-62708-301-0
... Abstract A low-pressure turbine rotor blade failed in service, causing extensive engine damage. A section of the blade broke off around 25 mm from the root platform, producing a flat fracture surface that appeared smooth on one end and grainy elsewhere. Based on their examination, investigators...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270122
EISBN: 978-1-62708-301-0
... Procedure and Results Macroscopy and Scanning Electron Fractography A close-up view of the fracture surface of the shaft is shown in Fig. CH24.2 . The fracture was typical of torsional overload type. The surface was flat and shiny with deformation marks. The periphery of the fracture surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... quality even for large magnifications it is therefore recommended to thin the die.” Flat Lap Assuming the surface is conducive to flat lapping, this is a quick method to remove bulk material and quickly establish a mirror polish surface. A large area platen is used with various lapping or polishing...
Image
Published: 01 January 2015
Fig. 11.6 Ductile and brittle fracture surfaces. (a) Mixture of coarse and fine depressions or dimples characteristic of ductile fracture surfaces. Some flat cleavage facets are shown in bottom of micrograph. (b) Flat fracture surface facets characteristic of brittle cleavage fracture More
Image
Published: 01 August 2005
Fig. 2.21 Schematic of variation in fracture behavior and macroscale features of fracture surfaces for an inherently ductile material. As section thickness increases, plane-strain conditions develop first along the centerline and result in a flat fracture surface. With further increases More
Image
Published: 01 November 2012
Fig. 38 Schematic of variation in fracture toughness and macroscale features of fracture surfaces for an inherently ductile material. As section thickness ( B ) or preexisting crack length ( a ) increases, plane-strain conditions develop first along the centerline and result in a flat fracture More
Image
Published: 01 December 1999
Fig. 6.32 Effect of surface curvature on the total depth of carbon penetration (TPD). 1.0, 1.5, and 2.0 TPD refer to the total carbon penetration depth at a flat surface. The curves themselves represent departures from the flat. If a gear tooth is carburized to give a nominal total penetration More
Image
Published: 01 December 2009
of plane strain (brittlelike fracture) develop first along the centerline and result in a flat fracture surface. With further increases in section thickness or crack size, the flat region spreads to the outside of the specimen, decreasing the widths of the shear lips. When the minimum value of plane-strain More
Image
Published: 01 November 2019
Figure 14 A simple lens naturally focuses light to a curved surface. If the detector is flat, e.g., a camera, this results in poor focus at the corners and edges of the image. A ‘Plan’ type objective is corrected to project a flat image. More