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nonmetallic engineering materials

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047856
EISBN: 978-1-62708-217-4
... that nonmetallic inclusions of a size in excess of that expected in aircraft-quality steel were found in the master connecting rods. Forging techniques that provided increased working of the material between the knuckle-pin flanges to break up the large nonmetallic inclusions were not successful. A nondestructive...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001299
EISBN: 978-1-62708-215-0
... be used to cheek for cracks during periodic maintenance overhauls. Aerospace engines Airplanes Nonmetallic inclusions 4340 UNS G43400 Fatigue fracture Background Visual Examination of General Physical Features Testing Procedure and Results Discussion Conclusion...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001790
EISBN: 978-1-62708-241-9
.... Hertzberg R.W. : Deformation and Fracture Mechanics of Engineering Materials , 4th ed. , John Wiley & Sons, Inc. , New York, NY , 1995 10.1097/00001756-199512000-00056 . 3. Bates R.C. and Clark W.G. : “ Fractography and Fracture Mechanics ,” Trans. Am. Soc. Met. , June...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
.... The parent material was present (light gray in color). Corrosion-affected material was also present (a somewhat darker gray color). There was also a nonmetallic deposit over the region of corrosion. Fig. 22 Micrograph S2 ( Fig. 17 ); microstructure at location of corrosive attack at cylindrical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0089429
EISBN: 978-1-62708-223-5
.... The drill had shattered suddenly with a bang which caused a chip to be dislodged and cause the injury. A large nonmetallic inclusion parallel to the axis near the center of the drill was revealed in an unetched longitudinal section. Carbide bands in a martensitic matrix were indicated in an etched sample...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001795
EISBN: 978-1-62708-241-9
... (EDX) attached to scanning electron microscope (SEM) revealed that the chemistry of the debris matched that of a bearing material. The engine was stripped open for defect investigation, and heavy damage was observed on the outer race and rolling elements of one of the ball bearings of the engine...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0059924
EISBN: 978-1-62708-235-8
... from the inside surface. A much more severe condition was revealed after the test. The indications were classified as areas of chemical segregation and nonmetallic inclusions. The ring was considered unsatisfactory for the application and replacement of the defective ring from an acceptable billet...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... and obtain a copy of the material specifications and certifications. For example, some of the commonly used material specifications in the United States for engineered metals are International Organization for Standardization (ISO), American Society for Testing and Materials (ASTM), Society of Automotive...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001659
EISBN: 978-1-62708-231-0
... with hardness and residual stress measurements are presented. These results suggest that the shell fractures form on the plane of maximum residual tensile stresses. The formation of the shells is aided by the presence of defects in the material in these planes of maximum residual stress. The detail fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001645
EISBN: 978-1-62708-232-7
... in wear of the inner-race. The wear led to shaft misalignment and play during service. The misalignment, coupled with the presence of inclusions, caused fatigue failure of the roller bearing. Nonmetallic inclusions Rolling-element bearing Tempered martensite Fe-0.2C-3.5Ni-1.5Cr Fatigue fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... wear of metal parts are also discussed. The article concludes with a discussion on the influence of metallurgical factors and fabrication practices on the fatigue properties of materials, as well as the effects of surface coatings. abrasive wear adhesive wear axial fatigue bending fatigue...
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
... the use of specific alloys in given environments, corrosion prevention, and the use of nonmetallic materials. The Handbook of Corrosion Data , 2nd edition (ASM International, 1995) is a compilation of corrosion data from published sources. Corrosion rates of various alloys are provided with a general...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001813
EISBN: 978-1-62708-180-1
.... 21a ) was submitted for laboratory examination. No information was furnished concerning design, material, heat treatment, or length of service. The part shown in the “original design” portion of Fig. 22 was a valve-seat retainer spring from a fuel control on an aircraft engine. This spring...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
.... The article discusses the types of imperfections that can be traced to the original ingot product. These include chemical segregation; ingot pipe, porosity, and centerline shrinkage; high hydrogen content; nonmetallic inclusions; unmelted electrodes and shelf; and cracks, laminations, seams, pits, blisters...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
..., it has been stated that nonmetallic inclusions are rarely the prime cause of fatigue failures of production components because the design of the fatigue properties for the parts incorporates the effects of inclusions in the chosen material grade [ 6 ]. Although this can be said in general, the failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001418
EISBN: 978-1-62708-231-0
... to scrape the bearing material. The defect was stoned smooth, a new bearing fitted, and the engine returned to service. The engine performed satisfactorily for a further twelve months until fracture of the crankshaft through the No. 5 crank pin supervened. The fracture revealed a complex torsional fatigue...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
...Abstract Abstract This article provides an overview of the effects of various material- and process-related parameters on residual stress, distortion control, cracking, and microstructure/property relationships as they relate to various types of failure. It discusses phase transformations...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001028
EISBN: 978-1-62708-214-3
...Abstract Abstract Several AISI type 321 stainless steel welded oil tank assemblies used on helicopter engine systems began to leak in service. One failure, a fracture on the aft side of a spot weld, was submitted for analysis. SEM fractography examination revealed fatigue failure. The failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... review is conducted by an ad hoc design review board composed of materials engineers, mechanical designers, electrical designers, reliability engineers, safety engineers, packaging engineers, various other design engineers as appropriate, a management representative, a sales representative, an insurance...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... remelting (ESR) or vacuum arc remelting (VAR). However, steel from these secondary refining processes is still required for bearings in high-reliability applications, such as aircraft engines. The bearing industry has used through-hardened material, such as 52100, for ball bearings since early...