Corrosion failure analysis of a cooling system of an injection mold

被引：7

作者：

Kharytonau, Dzmitry S. ^{[1
]}

Zimowska, Malgorzata ^{[1
]}

Gurgul, Jacek ^{[1
]}

Mordarski, Grzegorz ^{[2
]}

Powalisz, Robert ^{[2
]}

Rutowski, Adam ^{[2
]}

Putynkowski, Grzegorz ^{[3
]}

Zieba, Adam ^{[3
]}

Mokrzycki, Ukasz ^{[3
]}

Socha, Robert P. ^{[3
]}

机构：

[1] Polish Acad Sci, Jerzy Haber Inst Catalysis & Surface Chem, Niezapominajek 8, PL-30239 Krakow, Poland

[2] HANPLAST Sp o o, Paciorkiewicza 3, PL-85862 Bydgoszcz, Poland

[3] Res & Dev Ctr Technol Ind, Warynskiego 3A, PL-00645 Warsaw, Poland

来源：

ENGINEERING FAILURE ANALYSIS | 2022年 / 135卷

关键词：

Corrosion; Injection molding cooling system; Inhibitor; Failure analysis; Corrosion mechanism; GALVANIZED STEEL; TEMPERATURE; DEGRADATION; RELEASE; ALLOY; XPS;

D O I：

10.1016/j.engfailanal.2022.106118

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

High-pressure injection molding is an important industrial process, which requires a precise cooling stage. In this work, we analyzed the reasons for the corrosion failure of the cooling circuit of molds in the molding plant. The cooling circuit was inspected visually and collected samples were further analyzed in a laboratory using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The main problems were an improper selection of the antibacterial agent and materials of the cooling circuit. Based on the performed analyses, a possible mechanism of the corrosion attack was proposed and recommendations to decrease the number of corrosion-related failures and services were formulated.

引用

页数：11

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