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Silicon bronze alloy

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0091538
EISBN: 978-1-62708-233-4
...Abstract Abstract Electrical contact-finger retainers blanked and formed from annealed copper alloy C65500 (high-silicon bronze A) failed prematurely by cracking while in service in switchgear aboard seagoing vessels. In this service they were sheltered from the weather but subject to indirect...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001845
EISBN: 978-1-62708-241-9
...Abstract Abstract Two clamps that support overhead power lines in an electrified rail system fractured within six months of being installed. The clamps are made of CuNiSi alloy, a type of precipitation-strengthening nickel-silicon bronze. To identify the root cause of failure, the rail operator...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001772
EISBN: 978-1-62708-241-9
... porosity. After a thorough examination, it was concluded that the part had failed due to dealloying via desiliconification. pump impeller corrosion erosion cast silicon bronze porosity microstructural analysis chemical composition Silicon bronze alloy UNS C86700 Introduction...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046737
EISBN: 978-1-62708-229-7
... micrographs etched with H4OH, and 500x micrographs) supported the conclusions that the castings and bolts failed by SCC caused by the combined effects of dezincification damage and applied stresses. Recommendations included replacing the castings with copper alloy C87200 (cast silicon bronze) castings...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0046505
EISBN: 978-1-62708-219-8
... of the contact area was by ductile (transgranular) fracture. Recommendations included changing the latch material from malleable iron to silicon bronze (C87300). The use of silicon bronze prevents corrosion or galvanic attack and proper adjustment of the latch maintains an adequate contact area. Control...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001789
EISBN: 978-1-62708-241-9
.... , Barnes P. : Sustained load crack growth in an aluminum–silicon bronze alloy, fracture control of engineering structures . In: Van Elst H. , Bakker A. (eds.) 6th European Conference on Fracture (ECF6) , pp. 1851 – 1860 . Amsterdam ( 1986 ) 14. Naval Sea Systems Command Standard...
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
... cracking of other materials, such as aluminum-silicon bronzes 14 and some aluminum alloys, 15 , 16 , 17 can occur in air at ambient or slightly elevated temperatures due to the presence of segregated impurities or impurity phases such as lead at grain boundaries. The analyses of the NAB coupling...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001719
EISBN: 978-1-62708-231-0
... 240–600 grit on silicon oxide paper. The samples were then sequentially polished using 3 and 0.3-micron aluminum oxide powder. Samples were viewed with an optical microscope in the unetched condition first. These samples exhibited low inclusion content, and the secondary cracks were sharp...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
..., nickel, or both are sometimes added to increase strength. Aluminum bronzes have iron, nickel, silicon, and manganese as the principal alloying elements. The hardness of these alloys may range to 240 HB. They have excellent shock resistance and will operate at comparatively high temperatures...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
... 22 ). In 1931, tests were conducted on the influence of certain liquid metals on plain carbon steel, silicon steel, and chromium steel ( Ref 23 ). These steels were embrittled at 1000 to 1200 °C (1830 to 2190 °F) by liquid tin, zinc, antimony, copper, 5% tin-bronze, and 10% zinc-brass. Liquid bismuth...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
..., and CDA C94300. Tin bronzes contain more than 20% Sn, with less than 10% Pb added to aid machinability. Small amounts of zinc, nickel, or both are sometimes added to increase strength. Aluminum bronzes have iron, nickel, silicon, and manganese as the principal alloying elements. The hardness...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... C82600 1050–1095 1925–2000 1010–1050 1850–1925 C82800 995–1025 1825–1875 1025–1050 1875–1925 Silicon brass C87500 1040–1095 1900–2000 980–1040 1800–1900 C87800 1040–1095 1900–2000 980–1040 1800–1900 Silicon bronze C87300 1095–1175 2000–2150 1010–1095 1850–2000 C87600...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... 1210, ASTM , 1993 , p 193 – 201 • Lewandowski J.J. , Kim Y.S. , and Holroyd N.J.H. , Lead-Induced Solid Metal Embrittlement of an Excess Silicon Al-Mg-Si Alloy at Temperatures of −4 °C to 80 °C , Metall. Trans. A , Vol 23 ( No. 6 ), June 1992 , p 1679 – 1689 10.1007...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
.... , Kim Y.S. , and Holroyd N.J.H. , Lead-Induced Solid Metal Embrittlement of an Excess Silicon Al-Mg-Si Alloy at Temperatures of −4 °C to 80 °C, Metall. Trans. A , Vol 23 ( No. 6 ), June 1992 , p 1679 – 1689 10.1007/BF02804363 • Lukowski J.T. , Kasul D.B. , Heldt L.A...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
..., uniform corrosion, pitting and crevice corrosion, intergranular corrosion, and velocity-affected corrosion. The article contains a table that lists combinations of alloys and environments subjected to selective leaching and the elements removed by leaching. corrosion crevice corrosion...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... The intensity of galvanic corrosion is affected by such factors as: The potential difference between the metals or alloys The nature of the environment/the electrical conductivity of the solution where the dissimilar metals are in contact The polarization behavior of the metals or alloys...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001755
EISBN: 978-1-62708-241-9
... could be due to the axial displacement between the inner and outer races under load.[ 4 ] The damage on the cage was limited to one side, and cracks were present between the ball pockets. This should be due to axial loading.[ 4 ] The material of the cage was silicon bronze with a silver coating...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
.... The cast aluminum alloy fracture surface should show dimples in the aluminum matrix (original dendrites), but they can be difficult to see because fracture-surface morphology is impacted by cleavage in second-phase (silicon) particles and other second phases. Fig. 1 Scanning electron microscopy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... by cleavage in second-phase (silicon) particles and other second phases. Fig. 1 SEM images of dimple-rupture fractures. (a) Fracture of low-alloy medium-carbon steel bolt (SAE grade 5). 1750×. (b) Equiaxed tensile dimples originating around the graphite nodules of ASTM 60-45-10 ductile iron. 350×. (c...
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
... laps, seams, or slivers Following is an example of SCC from a stress concentration in which alloy selection and design changes were required. Example 3: Effect of Alloy Selection and Part Design on SCC of Formed Silicon Bronze in Marine-Air Atmosphere Electrical contact-finger retainers...