1-20 of 148 Search Results for

sample edge rounding

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006024
EISBN: 978-1-62708-172-6
... Abstract This article reviews the steps involved in presurface-preparation inspection: substrate replacement; removal of weld spatter, rounding of sharp edges, and grinding of slivers/laminations; and removal of rust scale, grease, oil, and chemical (soluble salt) contamination. It focuses on...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006450
EISBN: 978-1-62708-190-0
... fill factors, edge effect, and skin effect. The article illustrates some of the principal impedance concepts that are fundamental to understanding of and effective application of eddy-current inspection. It discusses various types of eddy-current instruments, such as the resistor and single-coil system...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006680
EISBN: 978-1-62708-213-6
... Abstract X-ray powder diffraction (XRPD) techniques are used to characterize samples in the form of loose powders, aggregates of finely divided material or polycrystalline specimens. This article provides a detailed account of XRPD. It begins with a discussion on XRPD instrumentation and the...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005806
EISBN: 978-1-62708-165-8
... atmosphere control depends on various potentials. The article summarizes the methods of measuring potentials in nitriding and nitrocarburizing, provides useful information on the furnaces used, and the safety precautions to be followed in the nitriding process. It also describes the sample preparation...
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
... stages of the hot rolling process of steel bars. (a) Continuous cast bloom. (b) After two rolling stands. (c) After round rolling stand. Source: Ref 26 Fig. 23 Macrostructure of the bar cross section (a) on the face of a forged disk and (b) sampling. Source: Ref 27 Fig. 24...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006682
EISBN: 978-1-62708-213-6
... than manually prepared specimens. Mounting of specimens is a necessity when details at the surface are being assessed, because the edges of an unmounted specimen are always rounded. Edge-retention results of different mounting resins do vary, and the best resins for edge retention should be used. If...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... emphasized that the cutting sequence involved in the preparation of metallographic specimens must be well documented. The mounting medium used for these must be chosen carefully. When edge retention is important, as it usually is when a metallographic specimen is prepared through a fracture origin, a sample...
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
... to premature failures. The article presents a practical approach to sample selection and specimen preparation, measurement location selection, and measurement depth selection; measurement validation is outlined as well. A number of case studies and examples are cited. The article also briefly...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003022
EISBN: 978-1-62708-200-6
... can leave sink marks. Convex surfaces with rounded edges are preferable to concave surfaces. Large flat surfaces should be crowned to help camouflage minor surface irregularities. Narrow, closely spaced slots and holes are difficult to plate; recesses should be generous. Blind holes and...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000612
EISBN: 978-1-62708-181-8
... fracture surface in Fig. 726 , taken at the rounded lip at the bottom edge of the crescent-shaped area. Even this close to the crack origin, there are no fatigue striations. The irregular surface displays ridges formed by a shear process. 4000× Fig. 728 Another SEM view of the fracture surface...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005795
EISBN: 978-1-62708-165-8
... extender. Final polishing with 0.05 µm (2 µin.) alumina on a napped cloth should be limited to approximately 30 s duration to prevent edge rounding. The accuracy of a microhardness traverse across the case and core depends on the correct preparation of the sample to be tested. In general, the same care...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... reduced edge-preservation problems. Mounting presses that cool the specimen to near-ambient temperature under pressure produce much tighter mounts. Gaps that form between specimen and resin are a major contributor to edge rounding, as shown in Fig. 2 . Staining from bleed-out at shrinkage gaps obscures...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.9781627082136
EISBN: 978-1-62708-213-6
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
..., growth, and subsequent linking of voids on grain boundaries to form two types of cavities: wedge-type cavities ( Fig. 688 , 689 , 690 ) and isolated, rounded-type cavities ( Fig. 691 ). Fig. 688 : Wedge-type cavities in an AISI type 316 sample that failed by creep. These cavities are usually...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... ). Analysis of an axially loaded tensile sample of plate and sheet material is a direct approach to understanding ductile tensile failure of prismatic components. As with round bars, the elongation is limited by strain instability that leads to neck formation. If the w / t ratio is small (for example, w...
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
... the forging occurs at the parting line, whether the parting line is located (a) at the top of the forging or (b) in the central plane of the forging. Dimensions given in inches The location of parting line for the bracket fitting shown in Fig. 12(a) made it necessary to add draft to the round...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003244
EISBN: 978-1-62708-199-3
.... However, introduction of new technology has greatly reduced edge preservation problems. First, use of mounting presses, which cool the specimen to near ambient temperature under pressure, produces much tighter mounts. Gaps that form between specimen and resin are a major contributor to edge rounding...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009004
EISBN: 978-1-62708-185-6
... the simulation material for the physical modeling of bar rolling. Pure (99.99%) lead was cast and extruded into 25 mm (1 in.) round bars and then squared in the box pass (step 1, Fig. 25 ). Grids were placed on the lateral edges of the bars by an impression tool, and the grid spacing was measured...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003248
EISBN: 978-1-62708-199-3
... specimens if the material being sampled is rather large. The second group of measurements belongs to the field referred to as stereology. This body of measurements describes the relationship between measurements made on the two-dimensional plane of polish and the three-dimensional microstructural...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3