Preparation method of beta-type titanium alloy dental arch wire

• Main Authors: LIU KUO, ZHANG BAOXIANG, LIANG HONGWEI, WANG JIANGBO, PANG BAOLIN, LI JUNTAO, WANG ZHENQIANG, LIAO ZAN
• Format: Patent
• Language: Chinese; English
• Published: 27.06.2023
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; DENTISTRY; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; HUMAN NECESSITIES; HYGIENE; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; MEDICAL OR VETERINARY SCIENCE; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention discloses a preparation method of a beta-type titanium alloy dental arch wire, and relates to the technical field of dental arch wires, the preparation method comprises the following steps: S1, carrying out hot drawing treatment on a beta-type titanium alloy wire rod to obtain a thick wire blank; s2, the thick wire blank in the S1 is subjected to annealing treatment; s3, cold deformation drawing is conducted on the thick wire blank obtained after annealing treatment in the S2; s2 and S3 are repeated, and a medium wire blank is obtained; s4, the middle wire blank is polished; s5, the polished medium wire blank is subjected to annealing treatment; s6, multi-pass large-deformation cold deformation drawing is conducted on the medium wire blank obtained after annealing treatment in the S5, and a thin wire blank is obtained; and S7, after polishing, square wire rolling, arch winding and shaping are conducted on the thin wire blank obtained in the S6, cutting and acid pickling are conducted, and the be