1-20 of 160 Search Results for

light cutting

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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... containing soft ceramic shot filler. (Note the round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel, and it was etched with picral. Fig. 16 Light micrograph showing cutting damage (arrows at left) and a burr at the corner of a specimen of commercial-purity...
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
... without using coolant. The cut surface was nickel plated for edge preservation. Figure 1(a) shows a light-etching surface zone extending to a depth of approximately 0.22 mm (0.009 in.), with a hardness of approximately 62.5 HRC. Beneath the light-etching surface zone is a region that was softer (53...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001825
EISBN: 978-1-62708-241-9
...) in the tube and evaluated the material for manufacturing anomalies that could have contributed to the failure. The tube material is reportedly type 304 stainless steel. The two submitted sections of the tube were examined visually at magnifications from 1× to approximately 50× with the aid of a light...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
.... This information needs to be recorded before any parts are cut from the component of interest. A considerable amount of information can be obtained from observation of the direction and sequence in which cracking has occurred. For example, where cracks meet, as illustrated in Fig. 1 , it is apparent that crack “B...
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
... chromatography (GPC) Weight-average molecular weight, M ¯ w ; molecular weight distribution (MWD) Low-angle light scattering M ¯ w , MWD Osmometry, membrane Number-average molecular weight, M ¯ n Osmometry, vapor pressure M ¯ n Dilute solution viscosity...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001768
EISBN: 978-1-62708-241-9
...) portions of the angle were studied first in a light microscope. The unetched microstructure of the sample# 1 did not show any cut, notch, or entrapment near the crack origin. A typical micrograph of the unetched sample# 1 taken near the crack origin is depicted in Fig. 3 at 100× magnification. The etched...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c0048114
EISBN: 978-1-62708-231-0
.... Below this is a mottled area exhibiting rust and scale. At the base of this area are dozens of fatigue origins with faces all parallel to the final fracture. At the bottom is the area of rapid, rough fracture. 14×. (d) Metollographic cross section of the seam. The light flecks near the surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001188
EISBN: 978-1-62708-235-8
... flame cutting of the middle section of the slide. The initial crack acted as a sharp notch favoring the formation of the fatigue fracture which lead to the failure of the slide. Flame cutting Friction press Thermal stresses Ck 35 Metalworking-related failures Fatigue fracture A short...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
...; the wavelike lines are Wallner lines. Optical microscope; reflected light; picture width ∼3 mm. Source: Ref 3 Fig. 11 Fracture surface of a porcelain insulator, which broke during cutting with a diamond saw. Fracture moved from right to left. Mist and velocity hackle and Wallner lines are readily...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... the electron microscope to study phases unresolvable with the light microscope. Microprobe any critical abnormalities, such as inclusions and segregations, that are too small for bulk analysis. Use x-ray techniques to determine: (a) level of residual stress; and (b) the relative amounts of phases...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001302
EISBN: 978-1-62708-215-0
... of a failed kingpin. Adjacent to the dark surface was a clean uncorroded light region, where final fracture occurred. The shear lip around the light region edge of the failure surface provided support for this view. Gross plastic deformation was not evident anywhere on the kingpins. Fracture Surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001404
EISBN: 978-1-62708-220-4
... of the external surface had taken place in the form of confluent pitting over a band adjacent to the fillet weld which attached the pan to the blocking ring. Numerous cracks were present in this corroded zone. Microscopical examination of several specimens cut from the sample revealed that the internal cracks...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001517
EISBN: 978-1-62708-217-4
... interstices. Additionally, polarized lighting revealed that the anomalous areas were of a different density than the surrounding resin. Chemical methods were utilized to analyze the anomaly. Fourier Transform Infrared (FTIR) spectroscopy was conducted on resin obtained from the top ply and resin obtained from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001424
EISBN: 978-1-62708-233-4
... was cut more-or-less parallel to these bands, which it intersects in places, hence the mottled appearance. Both materials were mild steel in the 26–30 tons per sq. in. range and microscopical examination did riot bring to light any abnormal features apart from the rather excessive banding in the case...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001444
EISBN: 978-1-62708-231-0
... of one of the slots, the martensite layer being the light-etching constituent flanking the line of the cut. A crack was present at the corner of the slot, extending from the martensite into the unaffected rail material, as shown in Figure 2 . Martensite is the main constituent of fully hardened steel...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001269
EISBN: 978-1-62708-215-0
... of titanium nitrided M2 tool steel gear hobs. The hobs were used to produce carbon steel ring gears Applications Circumstances Leading to Failure Sample Selection The hob exhibited excessive wear and fracturing on the leading surfaces of the cutting teeth, as shown in Fig. 1 and 2 . Fig...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001420
EISBN: 978-1-62708-220-4
... corrosion. What caused the basket to fail was the presence of corrosion-fatigue cracks or fissures radiating from the holes. A secondary cause was that the scantlings of the basket were too light. Extractors Fe-2.05Ni-0.91Cr-0.22Mo Corrosion fatigue Galvanic corrosion The hydro-extractor...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001369
EISBN: 978-1-62708-215-0
... and a 1 mm (0.04 in.) case-hardened depth. Sections were cut from the keyway at the chipped area and the light-colored area. The microstructure showed a case-hardened structure at the surface and a tempered martensite matrix ( Fig. 3 and 4 ). The case depth, specified as 1 mm (0.04 in.), was closer...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001339
EISBN: 978-1-62708-215-0
... to determine whether mercury was present. The freshly cut surface turned a gray color, and fine white oxide whiskers began to grow from the cracks exposed by the excavation. A backing ring had been used in the fabrication of this weld. Aluminum alloy piping, such as alloy 5083-O, and brazed alloy 3003...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001670
EISBN: 978-1-62708-217-4
..., was contacted by the TOW Project Office at MICOM relative to serving on an investigational team (called the Blue Team) concerning the two failures. The first meeting was held at the Marquardt Company, where the light missile cases are fabricated. Included among the attendees were the author, personnel from...