Reheating Process for the Semi-solid A356 Alloy

LiShuangshou; Du Ping; Tang Jmglin; Zeng Daben

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Reheating Process for the Semi-solid A356 Alloy
Issue 12, Pages: 781-783(2006)
Published： 2006 ，
DOI：

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[1]李双寿,杜平,唐靖林,曾大本.半固态A356合金的二次加热工艺研究[J].特种铸造及有色合金,2006(12):781-783+749.

LiShuangshou, Du Ping, Tang Jmglin, et al. Reheating Process for the Semi-solid A356 Alloy. [J]. Special Casting & Nonferrous Alloys (12):781-783(2006)
[1]李双寿,杜平,唐靖林,曾大本.半固态A356合金的二次加热工艺研究[J].特种铸造及有色合金,2006(12):781-783+749. DOI：

LiShuangshou, Du Ping, Tang Jmglin, et al. Reheating Process for the Semi-solid A356 Alloy. [J]. Special Casting & Nonferrous Alloys (12):781-783(2006) DOI：

摘要

在二次加热过程中

为了使坯料中的温度均匀分布并获得细小的球化组织

必须准确控制加热电流、加热时间与坯料温度之间的关系。以A356合金为对象

采用中频电磁感应器进行了二次加热工艺的研究。结果表明

对于尺寸为45mm×70mm的棒状坯料

线圈尺寸取70mm×100mm

加热路线采用三段加热+保温

经过约10min的二次加热

坯料达到了预期的状态

可以满足后续成形的要求。

Abstract

In the reheating process

the relationship between the reheating current

time and billet temperature must be strictly controlled to obtain the uniformly distributed temperature and spheroidized microstruc-ture in the billets. The reheating process for A356 a-luminum alloy was conducted with main frequency induction furnace. The results verify that rod billet with 45mm in diameters and 70mm in height can reach de-sirable state to meet the next process using the coilwith 70mm in diameters and 100mm in height throughthree stages reheating and holding time for about 10min.