文章信息/Info

Title:

Research Progress of External Field Assisted Semi-Continuous Casting for High Performance Aluminum Alloys

文章編號:

1674-3962(2022)11-0880-11

作者:

徐大召1; 孟令剛1; 2; 楊春峰1; 姜明希1; 范永飛1; 亞斌1; 2; 張興國1; 2

（1.大連理工大學材料科學與工程學院，遼寧 大連 116024）（2.大連理工大學寧波研究院，浙江 寧波 315000）

Author(s):

XU Dazhao1;  MENG Linggang1; 2;  YANG Chunfeng1;  JIANG Mingxi1;  FAN Yongfei1;  YA Bin1; 2;  ZHANG Xingguo1; 2

（1.School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China) （2.NingBo Institute of Dalian University of Technology, Ningbo 315000, China)

關鍵詞:

鋁合金; 晶粒細化; 電磁鑄造; 超聲鑄造; 數值模擬

Keywords:

aluminum alloy;  grain refinement;  electromagnetic casting;  ultrasonic casting;  numerical simulation

分類號:

TG249.7;TG146.21

DOI:

10.7502/j.issn.1674-3962.202206007

文獻標志碼:

A

摘要:

鋁合金具有低密度、高比強度和高斷裂韌性等優(yōu)點，在航空航天、海洋工程和交通運輸等領域應用廣泛。然而，傳統(tǒng)鑄造成型工藝所制備的鋁合金鑄件存在著難以避免的鑄造缺陷，無法滿足高性能鋁合金構件的使用要求。將電磁、超聲等物理場與傳統(tǒng)鑄造工藝相結合而開發(fā)出的外場輔助控制凝固技術，可制備組織均勻、性能良好的鋁合金鑄件，對鋁合金的發(fā)展及應用具有重要意義。主要介紹了外場輔助鑄造成型工藝的技術原理，綜述了鋁合金外場成型的最新研究進展，主要包括電磁鑄造、超聲鑄造和多物理場數值模擬在鑄造成型中的應用。重點闡述了電磁場、超聲場在鋁合金凝固中的細化機制，為復合場成型技術的發(fā)展和高性能鋁合金的制備提供借鑒。最后，對鋁合金外場成型技術制備高品質鋁合金鑄件的發(fā)展方向進行了展望。

Abstract:

With the advantages of low density, high specific strength and high fracture toughness, aluminum alloys are widely used in the fields of aerospace, marine engineering and transportation. However, the aluminum alloy castings prepared by the traditional casting molding process have unavoidable casting defects and cannot meet the requirements of high-performance aluminum alloy components. The development of external field assisted controlled solidification technology by combining the physical fields such as electromagnetism and ultrasound with the traditional casting process can produce aluminum alloy castings with uniform organization and good performance, which is of great significance to the development and application of aluminum alloy. This paper mainly introduces the technical principle of external field assisted casting molding process and reviews the latest research progress of external field forming of aluminum alloy, mainly including electromagnetic casting, ultrasonic casting and the application of multi-physical field numerical simulation in casting forming. The refinement mechanism of electromagnetic field and ultrasonic field in aluminum alloy solidification is highlighted to provide reference for the development of composite field forming technology and the preparation of high-performance aluminum alloy. Finally, the development direction of aluminum alloy external field forming technology for the preparation of high-quality aluminum alloy castings is prospected.