White metal babbitt for rolling mill bushing
A barbie alloy and alloy technology, applied in the field of barbie alloys used in rolling mill bushings, can solve problems such as lack of toughness
Inactive Publication Date: 2014-06-04
SIEMENS IND INC
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Problems solved by technology
Such coatings lack the toughness required for heavy duty oil film bearing applications and the disclosed use of cobalt at elevated percentage levels will inhibit the flow characteristics necessary during casting or welding
Method used
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[0020]
Embodiment II
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Embodiment III
[0024]
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A tin based white metal alloy consisting essentially by weight of approximately 5.0%-9.0% antimony, approximately 3.0%-8.0% copper, approximately 0.1%-0.7% cobalt, and the balance tin.
Description
[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application Serial No. 61 / 541,395, filed September 30, 2011, under 35 U.S.C. § 119(e), which is hereby incorporated by reference in its entirety and substance. technical field [0003] Embodiments and aspects of the invention relate to tinkybabbit alloys useful in various industrial applications including bushings for rolling mill oil film bearings. Background technique [0004] The most famous barbie alloys used in oil film bearings in the rolling mill field are described in ASTM B23 #2 (herein referred to as ASTM #2) and mainly contain tin with antimony and copper as alloying elements. ASTM #2 is well known and easily deposited onto the bushing shell by centrifugal casting, spray deposition or welding. Unfortunately, ASTM#2 has relatively low fatigue resistance, which limits the load capacity of bearings made from this material. [0005] Various varieties of n...
Claims
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IPC IPC(8): C22C13/00C22C13/02F16C33/06
CPCF16C33/06C22C13/00F16C2322/12C22C13/02F16C2204/34F16C33/121
Inventor 卡尔·F·西利格
Owner SIEMENS IND INC
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