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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001073
EISBN: 978-1-62708-214-3
... close to 1045 steel. The replacement sprocket also sparked like a plain carbon steel, but one of much lower carbon content, such as 1020 or lower. Conventional chemical analysis was not performed. Mechanical Properties Hardness Five Rockwell B hardness readings were taken on both sprockets...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001575
EISBN: 978-1-62708-217-4
... and nitrided to a surface hardness in the range of 750 ÷ 950 HV, for high wear resistance properties. Core hardness is maintained in the range of 34 ÷ 44 HRc for good toughness properties. [ref as nr. 170 & 230 in Figure 1 ] Fig. 1 The spacers are produced by forced assembling of a Cu alloy...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... of the materials being examined. The information obtained helps the failure analyst gain an understanding of how the component or system responded to the applied forces. Also, because some mechanical properties can be correlated, tests such as hardness and microhardness of steels can be used to gain...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001268
EISBN: 978-1-62708-215-0
.... Elongation Hardness Heat treatment Leaf springs, Mechanical properties Mechanical properties Plastic deformation Tensile strength Yield strength Inconel 718 UNS N07718 Heat treating-related failures Plastic bending Background The detent spring missile launcher failed in service during...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001346
EISBN: 978-1-62708-215-0
... in the tube of Unit 2, and the grain boundary oxidation was much less than in the tube of Unit 1. The grain size of the Unit 2 tube was found to be between ASTM No. 4 and 5. Mechanical Properties Rockwell B hardness tests were carried out on both the inside and the outside surfaces of the Unit 1 tube...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001783
EISBN: 978-1-62708-241-9
... bushing which normally has good wear properties has yield and hardness values much lower than the indenter and therefore will wear much faster as was seen in service. Failure Analysis of Mechanism A wear analysis for a multi-component system has to be carried out very carefully and all components...
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
... to provide the requisite surface hardness and desirable core properties. Through-hardened material such as SAE-52100 steel has been widely used in European bearing industry, while low-carbon-base carburizing steels such as SAE-8620 gained acceptance in the United States. The advantages of a carburized SAE...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
... properties of plastics Material(a) Tensile strength Elongation, % Modulus of elasticity Compressive strength Modulus of rupture Hardness MPa ksi GPa 10 6 psi MPa ksi MPa ksi Thermosets EP, reinforced with glass cloth 350 51 … 175 25 410 59 485 70 … MF, alpha...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001907
EISBN: 978-1-62708-217-4
... visual examination, metallography, chemical analysis, fractography, hardness testing, and stress durability testing. Metallography and hardness testing revealed that the bolts were inadvertently carburized, which was not in conformance with the governing requirements. Additionally, macroetching...
Image
Published: 01 January 2002
Fig. 12 Generic types of transfer wear behavior when semicrystalline polymers are slid on a hard smooth surface. In most of the cases there is a formation of transfer layer on the counterface though the shear, and adhesive properties of the transfer films will vary depending upon More
Image
Published: 15 May 2022
Fig. 11 Generic types of transfer wear behavior when semicrystalline polymers are slid on a hard, smooth surface. In most cases, there is a formation of a transfer layer on the counterface, although the shear and adhesive properties of the transfer films will vary depending on the mechanical More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... by aging at higher temperatures (650–900 °C) and longer periods (30 min to 8 h), and the kinetics of the reaction to form σ phase are slower than for Cr 2 N precipitation [ 3 , 5 ]. Austenitic stainless steels have many outstanding properties, apart from a high resistance to corrosion in many...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001135
EISBN: 978-1-62708-219-8
... used in structural applications. Testing showed an increase in hardness and weight percent carbon and manganese in the banded region. Further testing revealed that the area containing the segregation and coarse grain structure had a lower than expected toughness and a transition temperature 90 deg F...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001595
EISBN: 978-1-62708-235-8
... are included to illustrate these applications. Thermal response ASTM A232 UNS K15047 ASTM A572 grade 50 UNS K02303 1045 UNS G10450 ASTM A36 UNS K02599 Brittle fracture Joining-related failures The Basics of Hardenability The primary characteristic of steel that allows property...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
... environment will cause stress corrosion of the material under static loading conditions, the process may be termed stress-corrosion fatigue. Controlled environment and material properties play a dominant role in SCF. For ferrous metals, the carbon content and the hardness of the component are also...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001040
EISBN: 978-1-62708-214-3
... below the “as-cast” weld metal. Nital etch. 152×. Chemical Analysis/Identification Material No chemical analysis was performed. The statement from the steel supplier that the material was 4140 was accepted. Mechanical Properties Hardness Hardness tests carried out...
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
... and that the fracture surfaces had beach marks characteristic of fatigue fracture. Propagation may have been assisted by the corrosive environment, but fracture did not appear to have occurred by a stress-corrosion cracking (SCC) mechanism. Mechanical Properties Hardness Several microhardness measurements...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
..., because they directly influence the rate of wear of a material in the environment of interest. Factors influencing abrasive wear behavior Table 2 Factors influencing abrasive wear behavior Abrasive properties Particle size Particle shape Hardness Yield strength Fracture properties...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... model of abrasive wear is one in which rigidly supported hard particles indent and are forced across the surface of the wear material. Depending on the properties of the abrasive and wear materials, one of several wear mechanisms ( Fig. 4 ) may occur ( Ref 7 , 10 ): Plowing occurs when material...