A Study on Recrystallization of Fluoride Free Titanium Bearing Solidified Flux Film of Casting Powder in Mold

苗胜田; 文光华; 唐萍

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A Study on Recrystallization of Fluoride Free Titanium Bearing Solidified Flux Film of Casting Powder in Mold

更新时间：2026-01-21

- A Study on Recrystallization of Fluoride Free Titanium Bearing Solidified Flux Film of Casting Powder in Mold
- Special Steel Vol. 33, Issue 6, Pages: 9-11(2012)
- 作者机构：
  
  1. 中冶京诚工程技术有限公司,北京,100176
  2. 重庆大学材料科学与工程学院,重庆,400044
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 June 2012，
  
  Online First：27 September 2022，
  
  Published：27 September 2012
- 稿件说明：
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苗胜田, 文光华, 唐萍. A Study on Recrystallization of Fluoride Free Titanium Bearing Solidified Flux Film of Casting Powder in Mold[J]. Special Steel, 2012, 33(6): 9-11.
DOI：

苗胜田, 文光华, 唐萍. A Study on Recrystallization of Fluoride Free Titanium Bearing Solidified Flux Film of Casting Powder in Mold[J]. Special Steel, 2012, 33(6): 9-11. DOI：

摘要

将Kissinger方程引入到保护渣研究领域

研究了含钛无氟保护渣玻璃体升温结晶(升温速率5～30K/min)、液态降温结晶(降温速率5～30 K/min)的激活能。实验结果表明

保护渣玻璃体的结晶激活能E约为52.75 kJ/mol

保护渣液态降温结晶的激活能E约为61.15 kJ/mol

实验研究的保护渣玻璃体结晶峰温度915～940K

急速冷却形成的玻璃态渣膜在结晶器内存在再结晶

衡量保护渣结晶性能应综合考虑液态降温结晶行为和渣膜在结晶器内再结晶的行为。

Abstract

With using Kissinger equation in research field of mold powder

the activation energy for the crystallization of glassy state fluoride free titanium bearing mold powder in heating process (heating rate 5 〜30 K/min) and that for the crystallization of liquid state mold flux in cooling process (cooling rate 5 〜30 K/min) have been studied. Experimental results show that the activation energy E for the crystallization of glassy state flux in heating process is about 52. 75 kJ/mol and the E for the crystallization of liquid state flux in cooling process is about 61. 15 kJ/mol. The peak temperature of crystallization of test glass flux is 915 〜940 K

the glassy state flux film formed in quick cooling process has recrystallization behavior

therefore it should consider both liquid state flux crystallization behavior in cooling process and recrystallization behavior in flux film in mold.

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