Microstructure of Spraying Deposition Forming Zn-Al Alloy

Si Fuming1; Wang Jun1; Yan Biao1; Tang Renjian1

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Microstructure of Spraying Deposition Forming Zn-Al Alloy
Issue 11, Pages: 896-898(2007)
Published： 2007 ，
DOI：

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[1]司富明,王军,严彪,唐人剑.喷射沉积锌铝合金原始沉积坯组织形貌研究[J].特种铸造及有色合金,2007(11):896-898+820.

Si Fuming1, Wang Jun1, Yan Biao1, et al. Microstructure of Spraying Deposition Forming Zn-Al Alloy. [J]. Special Casting & Nonferrous Alloys (11):896-898(2007)
[1]司富明,王军,严彪,唐人剑.喷射沉积锌铝合金原始沉积坯组织形貌研究[J].特种铸造及有色合金,2007(11):896-898+820. DOI：

Si Fuming1, Wang Jun1, Yan Biao1, et al. Microstructure of Spraying Deposition Forming Zn-Al Alloy. [J]. Special Casting & Nonferrous Alloys (11):896-898(2007) DOI：

摘要

通过SEM和TEM的观察发现

喷射沉积制备的高铝锌合金沉积坯具有细小均匀的微观组织结构

未发现任何偏析。结合XRD分析可知

合金组成主要为类片状珠光体的α+η共析组织以及少量弥散分布的纳米级沉淀颗粒。沉积过程中形成较多无规则、不均匀分布的孔洞

致密度只有90%左右。

Abstract

Uniform fine microstructure in the spraying deposition forming high Al-Zn alloy with absence of segregation is observed by SEM and TEM.XRD analysis reveals that the microstructure of alloy is composed of Zn-Al eutectoid structure and nano-scale dispersed precipitation.In addition

many non-regular and uneven distributed pores are created in the alloy during spraying deposition

resulting in the compactness of about 90%.