Thermally enhanced tool for friction stirring

Details Thermally enhanced tool for friction stirring Thermally enhanced tool for friction stirring

B - Operations, Transporting

23

K

B23K 20/12 (2006.01)

Patent

CA 2640730

A friction stirring tool and a method for removing the catalytic phase from the friction stirring tool having a superabrasive coating by chemically etching, electrolytic etching or similar means to thereby at least partially remove a portion of the secondary catalytic phase metal from the superabrasive coating to thereby enhance the thermal stability of the tool and allow for longer life and the reduction or elimination of chemical reaction between the secondary metallic phase of the tool and a workpiece .

La présente invention concerne un outil de friction-malaxage et un procédé pour retirer la phase catalytique depuis l'outil de friction-malaxage ayant un revêtement super-abrasif par décapage chimique, décapage électrolytique ou moyen similaire pour retirer au moins partiellement une partie du métal de phase catalytique secondaire du revêtement super-abrasif et ainsi améliorer la stabilité thermique de l'outil et permettre une plus grande durée de vie et la réduction de l'élimination de la réaction chimique entre la phase métallique secondaire de l'outil et une pièce usinée.

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