Preparation method and application of high-temperature alloy ring piece with short process and high material utilization rate

• Main Authors: QU ZONGHONG, TANG HONGKUI, LAI YUNJIN, WANG QINGXIANG, MA DONG, YUE JIAO, WANG YONGZHE, MA KUAN, LI SHAOQIANG
• Format: Patent
• Language: Chinese; English
• Published: 12.12.2023
• Subjects: CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; WORKING METALLIC POWDER

The invention belongs to the technical field of powder metallurgy, and relates to a short-process and high-material-utilization-rate preparation method and application of a high-temperature alloy ring piece. According to the method, the near-net ring blank obtained after metal powder hot isostatic pressing is selected as the raw material, and compared with a traditional as-cast bar raw material, the ring blank prepared through powder hot isostatic pressing is uniform in structure, compact and free of segregation and other defects, and the later rolling process is facilitated; according to the near-net forming design, the ring blank subjected to hot isostatic pressing is obtained only through one-heating-number rolling deformation, and compared with multi-heating-number upsetting and multi-heating-number rolling of a traditional technology, the production process is short, and short-process production of the high-temperature alloy ring piece is facilitated; the ring blank used in the method is subjected to nea