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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001278
EISBN: 978-1-62708-215-0
...; and to not apply excessive stress on ophthalmic lenses in the form of working or residual stresses. Acetone environment Cracking, environmental effects Crazing Mechanical properties Plastic Safety glasses Swelling Polycarbonate Environmental cracking (plastics) Background Application Metal...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001798
EISBN: 978-1-62708-241-9
..., softened, and fluid encapsulants, respectively. Dissolution experiments for the three encapsulants were conducted using enough acetone as the solvent. Shore A hardness of each sample was tested for three times by means of GS-709N type sclerometer, and the average value was calculated and received. FTIR...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... is just one case of this, and more information on environmental stress cracking (ESC) of plastics is described in the article “Effect of Environment on the Performance of Plastics” in this Volume. Nonsolvents that possess specific physiochemical affinity leading to wetting of the polymer are also known...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... and for cleaning fracture surfaces. It discusses damage characterization of metals, covering various factors that influence the damage, namely stress, aggressive environment, temperature, and discontinuities. damage characterization failure analysis fracture surfaces metals microfractography optical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
... into titanium surfaces is greatly increased during welding operations unless the environment is strictly controlled. Argon is generally used as a shielding gas in the tungsten-arc welding of titanium. The weld was produced in a four step process: (1) tack welded in eight areas to assure alignment...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001774
EISBN: 978-1-62708-241-9
... [ 1 ]. SCC results from the combined action of three factors, namely, sustained tensile stresses in the material, a corrosive medium (a chloride-bearing or hydrogen-sulfide environment), and elevated temperature. There are also other factors which affect the SCC mechanism in austenitic grade...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001075
EISBN: 978-1-62708-214-3
... in appearance. Therefore, only three were selected for detailed examination. Samples were cleaned in acetone using ultrasonic agitation. Visual Examination of General Physical Features Examination of the wires visually and by using a low-magnification microscope showed that the wire surfaces were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001646
EISBN: 978-1-62708-219-8
... environment. In either case, a systematic investigation to diagnose precisely the genesis of failure is desirable. This article provides a microstructural insight into the causes of wire breakages on the outer layer of a 40 mm diam locked coil wire rope during service. The study reveals that the breakages...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001849
EISBN: 978-1-62708-241-9
... or cast iron. The rolls are properly heat treated and/or surface hardened in order to withstand the demanding working environments. Repeated loading under bending and compressive stresses, severe friction and wear under corrosive environments and at high temperatures and strain rates are some of the most...
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
... successive cleaning in a detergent solution, acetone, and methanol using ultrasonic agitation and a soft-bristled brush. In conjunction with the SEM examination, qualitative chemical analyses were performed in selected areas of the samples by energy dispersive x-ray spectroscopy (EDS). A longitudinal...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001067
EISBN: 978-1-62708-214-3
... for evaluation. Visual Examination of General Features Weld seams on one side of each plate were clearly visible. No cracks were visible after cleaning the plates with acetone. Testing Procedure and Results Non-Destructive Evaluation Radiography The plates were ground flat to facilitate...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001820
EISBN: 978-1-62708-241-9
... gas wells) have been operating satisfactorily for 3 years in wet H 2 S environment before some thickness reduction, pits, and cracks were detected in all of them during the periodical technical inspections. All the valve bodies were retired from service and one of them was destroyed to carry out...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... of the failure analyst. In collecting service histories, special attention should be given to environmental details such as normal and abnormal loading, accidental overloads, cyclic loads, temperature variations, temperature gradients, and operation in a corrosive environment. In most instances, however...
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
... quality that possibly accentuate failure. This is particularly relevant in circumstances when rolls, despite operation under similar mill environment, exhibit variations in roll life. The paper provides an insight into the microstructural characteristics of spalled ICED HSM work rolls, which underwent...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001617
EISBN: 978-1-62708-227-3
... in both seawater and air environments. Cracks initiated at an unusually wide variety of sites and propagated in either longitudinal or circumferential directions with respect to the axis of the couplings. Fracture surfaces were intergranular and exhibited little or no sign of corrosion (for couplings...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... bulk environment, although the short-crack fatigue data obtained in air do coincide with those for long cracks. The difference, therefore, is purely chemical in nature. The magnitude of the environmental enhancement of crack growth varies, depending on crack size and on applied stress. At a low stress...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... microstructure of this grade steel. Fractography Analysis The fracture surface of the failure bolt for fractography was cleaned in an ultrasonic bath containing acetone solution to remove grease, oil, and other contamination. An optical microscope is employed to observe the macroscopical structure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... thiocyanate/acetone Blue color Identify cobalt-base alloys Copper Dithizone Purple color Sort copper-bearing stainless steels Iron Potassium ferricyanide Blue precipitate Sort low-iron high-temperature alloys Lead Sulfuric acid White precipitate Sort leaded bronze Molybdenum Potassium...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
..., the type, sequence, magnitude, and number of the fluctuating (multiaxial) stresses often in combination with complex environmental influences (temperature, corrosion, wear). These factors complicate the laboratory simulation of actual application conditions and often require full-sized component tests...
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
..., and environmental consequences of leaks, repair of the existing pitted pipe was impractical. Replacement of the pipe was recommended. Several alloys, nonmetallic materials, and lined materials were proposed for coupon testing to determine which is the best in this particular environment. Example 2: Analysis...