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Acetone environment

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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
... 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-framed...
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...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006926
EISBN: 978-1-62708-395-9
... or the chemical environment alone may not appreciably weaken a material. This phenomenon is referred to as environmental stress cracking (ESC). The ESC failure mechanism for a particular plastics-chemical environment combination can be quite complex and, in many cases, is not yet fully understood. This article...
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... 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...
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
... in the presence of a solvent environment, solvent-induced or environmentally induced cracking can occur, resulting in a catastrophic brittle-like failure. This phenomenon also occurs with other plastics and other solvents. Conclusion The most probable cause of failure is acetone solvent-induced cracking...
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
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001820
EISBN: 978-1-62708-241-9
... 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 this failure analysis for determining...
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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
..., can cause a reduction in the mechanical properties of the material [ 1 ]. The potential absorption of oxygen 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...
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 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 section of the failed tube...
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
.... 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 frequently met...
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
... Change in the Environment Environmental control can be a complicated task. A complete understanding of the environment is key to changing or treating it. A detailed analysis of the environment should be performed prior to the implementation of any modifications or treatments. Safeguards must...
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
.... corrosion control corrosion prevention corrosion testing corrosion-related failures environmental-related failures metals nonmetals CORROSION is the deterioration of a material by a reaction of that material with its environment. A study by NACE International in 2016 examined nine world economic...
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 Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... in connection with failure by mechanical-environmental processes is the combined effect of stress raisers and environment. Stress Concentrations Stress concentrations are frequently introduced in service by damage from accidental mechanical impact or local electrical arcing. Stress raisers or notches...
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
... 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 cracked...
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
... mill operating environment. The fragmented samples of spalled rolls were cleaned with acetone and examined with respect to their visual appearance, fracture features, and microstructural characteristics. For optical microscopy, specimens of around 25 × 10 × 15 mm dimensions were cut along...
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...