In-situ interlocking of metals using additive friction stir processing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23K-020/12
B23K-020/233
B23K-020/227
출원번호
US-0643396
(2015-03-10)
등록번호
US-9511446
(2016-12-06)
발명자
/ 주소
Kandasamy, Kumar
Schultz, Jeffrey Patrick
출원인 / 주소
Aeroprobe Corporation
대리인 / 주소
New River Valley IP Law, P.C.
인용정보
피인용 횟수 :
3인용 특허 :
151
초록▼
A method for joining materials using additive friction stir techniques is provided. The method joins a material to a substrate, especially where the material to be joined and the substrate are dissimilar metals. One such method comprises (a) providing a substrate with one or more grooves; (b) rotati
A method for joining materials using additive friction stir techniques is provided. The method joins a material to a substrate, especially where the material to be joined and the substrate are dissimilar metals. One such method comprises (a) providing a substrate with one or more grooves; (b) rotating and translating an additive friction-stir tool relative to the substrate; (c) feeding a filler material through the additive friction-stir tool; and (d) depositing the filler material into the one or more grooves of the substrate. Translation and rotation of the tool causes heating and plastic deformation of the filler material, which flows into the grooves of the substrate resulting in an interlocking bond between the substrate and filler material. In embodiments, the depositing of the filler material causes deformation of the grooves in the substrate and an interlocking configuration between the grooves of the substrate and the filler material results.
대표청구항▼
1. An additive friction stir method comprising: providing a first substrate with a plurality of grooves;rotating an additive friction-stir tool relative to the first substrate;translating the additive friction-stir tool relative to the first substrate along a vector that overlies the plurality of gr
1. An additive friction stir method comprising: providing a first substrate with a plurality of grooves;rotating an additive friction-stir tool relative to the first substrate;translating the additive friction-stir tool relative to the first substrate along a vector that overlies the plurality of grooves;feeding a filler material through an opening of the additive friction-stir tool; anddepositing the filler material into one or more of the plurality of grooves of the first substrate, without the opening of the friction-stir tool penetrating any substrate. 2. The method of claim 1, wherein one or more of the plurality of grooves has a groove opening, a base, and parallel sidewalls extending or sloping from the groove opening to the base; or wherein one or more of the plurality of grooves has a groove opening, a base, and perpendicular sidewalls extending from the groove opening to the base; orwherein one or more of the plurality of grooves has a groove opening, a base, and sidewalls sloping from the groove opening to the base; orwherein one or more of the plurality of grooves has a groove opening, a base, and sidewalls sloping in opposite directions from the groove opening to the base. 3. The method of claim 2, wherein one or more of the plurality of grooves has a groove opening, a base, and sidewalls sloping in opposite directions from the groove opening to the base and the groove opening has a width larger than a width of the base. 4. The method of claim 2, wherein one or more of the plurality of grooves has a groove opening, a base, and sidewalls sloping in opposite directions from the groove opening to the base and the groove opening has a width smaller than a width of the base to provide one or more of the plurality of grooves with a dovetail shaped cross section. 5. The method of claim 2, further comprising deforming the groove opening to provide for a mechanical lock between the filler material and one or more of the plurality of grooves of the first substrate wherein one or more of the plurality of grooves has a groove opening, a base, and perpendicular sidewalls extending from the groove opening to the base. 6. The method of claim 5, wherein the deforming is performed during the depositing of the filler material into one of more of the plurality of grooves of the first substrate. 7. The method of claim 4, further comprising deforming the groove opening to provide for a mechanical lock between the filler material and one or more of the plurality of grooves of the first substrate. 8. The method of claim 7, wherein the deforming of the groove opening is performed during the depositing of the filler material into one or more of the plurality of grooves of the first substrate. 9. The method of claim 1, wherein the first substrate and the filler material are each metal. 10. The method of claim 1, wherein the first substrate and/or the filler material are independently chosen from metals, metallic materials, metal matrix composites (MMCs), polymers, polymeric materials, ceramics, ceramic materials, steel, Al, Ni, Cr, Cu, Co, Au, Ag, Mg, Cd, Pb, Pt, Ti, Zn, Fe, Nb, Ta, Mo, W, or an alloy comprising one or more of these metals, as well as combinations of any of these materials. 11. The method of claim 10, wherein the first substrate and/or the filler material are a metal matrix composite comprising a metal matrix and a ceramic phase, wherein the metal matrix comprises one or more of a metal, a metal alloy, or an intermetallic and the ceramic phase comprises a ceramic. 12. The method of claim 1, wherein the filler material is a powder, pellet, rod, or powdered-filled cylinder. 13. The method of claim 1, further comprising providing a second substrate and deforming and depositing at least a portion of the second substrate into one or more of the plurality of grooves. 14. An additive friction stir method comprising: providing a substrate with one or more grooves having a groove opening, a base, and a first and second sidewall extending from the groove opening to the base;rotating an additive friction-stir tool relative to the substrate;feeding a filler material through an opening of the additive friction-stir tool;translating the additive friction-stir tool relative to the substrate and across the one or more grooves from the first sidewall to the second sidewall of the one or more grooves; anddepositing the filler material into the one or more grooves without the opening of the friction-stir tool penetrating any substrate. 15. The method of claim 14, further comprising deforming one or more of the groove openings of the substrate during the depositing of the filler material. 16. An additive friction stir method comprising: providing a substrate with one or more grooves;rotating and translating an additive friction-stir tool relative to the substrate;feeding a filler material through an opening of the additive friction-stir tool; anddepositing the filler material into one or more of the one or more grooves to form a joint, without the opening of the friction-stir tool penetrating any substrate, and wherein a cross section of the joint reveals one side of the joint having at least one two-dimensional concave polygon shaped projection into the joint. 17. The method of claim 1, wherein the first substrate comprises a first material and the filler material comprises a second material that is different from the first material. 18. The method of claim 14, wherein the substrate comprises a first material and the filler material comprises a second material that is different from the first material. 19. The method of claim 16, wherein the substrate comprises a first material and the filler material comprises a second material that is different from the first material. 20. The method of claim 13, wherein the second substrate is provided as a sheet of metal or as a metal plate. 21. The method of claim 1, wherein, as a result of the depositing of the filler material, one or more of the plurality of grooves of the first substrate is deformed or undeformed.
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