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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006913
EISBN: 978-1-62708-395-9
... applications NR Natural rubber Natural polyisoprene The best electrical grades are excellent in most electrical properties at room temperature. IR Synthetic natural Synthetic polyisoprene Same general electrical properties as natural rubber CR Neoprene Chloroprene Not as good electrically...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... hydrocarbon polymers, carbon-chain polymers, heterochain polymers, and polymers containing aromatic rings. The article also includes some general information on the classification and naming of polymers and plastics. The most important properties of polymers, namely, thermal, mechanical, chemical, electrical...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... Nylon 6 0.70 Nylon 6/6 0.75 Source: Ref 25 Electrical properties of selected plastics Table 6 Electrical properties of selected plastics Plastic Surface resistivity, Ω Volume resistivity, Ω ⸳ cm Dielectric strength, kV/mm Dielectric constant Dissipation factor At 50 Hz...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
... or electrical properties after being cleaned with a solution of mercuric chloride and allowed to dry thoroughly. The resistance of a plastic to microorganisms may be affected by natural weathering due to the reactions of the additives to UV radiation, temperature, and moisture and to surface oxidation...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
... Corporation.) This is a semicrystalline plastic with a tensile strength of 55 MPa (7977.08 psi), a modulus of 3000 MPa (435113.2 psi), and a strain at break of 2.5%. In general, PBT is an ideal material for this application since it has the appropriate electrical properties and chemical resistance. A failure...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001356
EISBN: 978-1-62708-215-0
... Mechanical property test results Table 3 Mechanical property test results Property Distance from fracture plane 23 cm (9 in.) 46 cm (18 in.) ID OD ID OD Ultimate tensile strength, Mpa (ksi) 1342 (194.6) 1203 (174.5) 1349 (195.6) 1215 (176.2) Yield strength...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001079
EISBN: 978-1-62708-214-3
... could not be safely returned to service. Material, samples from the bore were analyzed to evaluate the actual mechanical properties and to determine the metallurgical cause of the observed indications. Samples were examined in a scanning electron microscope and subjected to chemical analysis and several...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046146
EISBN: 978-1-62708-217-4
... metallographic analysis showed small fatigue-type cracks in the hole adjacent to the origin of primary fracture. Hardness and electrical conductivity were typical for aluminum alloy 7075. This evidence supported the conclusion that the arm failed in fatigue cracking that initiated on each side of the lubrication...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
... , 1994 , p 258 – 263 . 10.31399/asm.hb.v05.a0001256 • Shen Y.S. , Lattari P. , Gardner J. and Wiegard H. , Electrical Contact Materials , Properties and Selection: Nonferrous Alloys and Special-Purpose Materials , Vol 2 , ASM Handbook , ASM International , 1990 , p...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006923
EISBN: 978-1-62708-395-9
...Thermal properties of selected resins Table 1 Thermal properties of selected resins Thermoplastic resins Heat-deflection temperature at 1.82 MPa (0.264 ksi) UL index (a) Thermal conductivity Coefficient of thermal expansion, 10 −6 /°C °C °F °C °F W/m · K Btu/ft · h · °F...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090448
EISBN: 978-1-62708-222-8
... had been degraded, producing a reduction in the molecular weight and reducing both the mechanical integrity and chemical-resistance properties of the parts. Crystallization Electrical appliances Grease Housings Injection molding Molding resins Undercrystallization Polycarbonate...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001124
EISBN: 978-1-62708-214-3
... Microstructural Analysis Mechanical Properties Hardness Chemical Analysis/Identification Material Tensile Properties The tensile properties of the base wire met the requirements of ASTM B 398 for aluminum alloy 6201-T81. Tests on a wire joint with a small crack indicated a lower strength...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... between metal workpieces. For electronic manufacturing, solder alloys with lead or copper are commonly used; they have a relatively low melting point (~180 to 220 °C, or 355 to 430 °F), good mechanical properties for impact and fatigue resistance, and decent thermal and electrical conductivity ( Ref 1...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001125
EISBN: 978-1-62708-214-3
... Remedial Action Mechanical Properties Hardness Conclusion and Recommendations Most Probable Cause Background Applications Circumstances Leading to Failure Visual Examination of General Physical Features Specimen Selection Pertinent Specifications Corrosion Patterns...
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
... electrically charged, which is clearly impossible. The corrosion of zinc in hydrochloric acid is an electrochemical process. That is, any reaction that can be divided into two or more partial reactions of oxidation and reduction due to the transfer of electrical charge is termed electrochemical. Dividing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001102
EISBN: 978-1-62708-214-3
... Applications Specimen Selection Visual Examination of General Physical Features Testing Procedure and Results Surface Examination Visual Metallography Microstructural Analysis Scanning Electron Microscopy Chemical Analysis/Identification Material Mechanical Properties...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
...-processing industries, with design requirements involving corrosion resistance and elevated-temperature service. Many other engineering disciplines also have unique and special requirements for design and materials selection. In electrical engineering design, for example, the physical property...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... properties include: Quasi media inert (corrosion resistance) Inertial Properties Inertial properties include: Low volumic mass, ρ ceramics (Si 3 N 4 ), ~3225 kg/m³ Electrical Properties Electrical properties include: High electrical resistivity, ρ ceramics (Si 3 N 4...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
...-processing industries with design requirements involving corrosion resistance and elevated-temperature service. Many other engineering disciplines also have unique and special requirements for design and materials selection. In electrical engineering design, for example, the physical property...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001120
EISBN: 978-1-62708-214-3
... as a result of fatigue at an electrical-discharge-machined surface where the resulting rehardened layer had not been removed. This rehardened layer had cracked, providing a source for fatigue initiation. Selected Reference Selected Reference • Fatigue Failures , Failure Analysis and Prevention...