面向存储条件下HCFO-1233zd(E)与典型金属腐蚀行为研究

doi:10.16265/j.cnki.issn1003-3033.2026.06.1183

摘要/Abstract

摘要：

为探究新型环保灭火剂反式-1-氯-3,3,3-三氟丙烯(HCFO-1233zd(E))的存储兼容性,利用自行搭建的气体灭火剂腐蚀性试验平台,选取5种典型存储容器金属材料(304不锈钢、Q235碳钢、6061铝合金、H59黄铜、T2紫铜)模拟存储条件下(高压及高低温交变)HCFO-1233zd(E)对金属材料的腐蚀行为;采用电子天平、扫描电子显微镜(SEM)、能谱仪(EDS)和X射线光电子能谱技术(XPS)等手段表征腐蚀速率、腐蚀形貌、腐蚀产物等。结果表明:HCFO-1233zd(E)对5类金属的腐蚀速率大小排名为:Q235碳钢>6061铝合金>304不锈钢>H59黄铜>T2紫铜;HCFO-1233zd(E)在模拟存储环境下对金属表面形成以均匀腐蚀为主、局部点腐蚀的复合形貌,金属表面聚集点块状以及片状腐蚀产物;HCFO-1233zd(E)发生裂解产生腐蚀性较强的HF和HCl,与金属基体反应形成金属卤化物;裂解产生的短碳链有机物发生碳链聚合作用,生成的中长碳链卤代烃沉积于金属片表面,这些有机物沉积层在一定程度上起到物理屏障作用,减缓腐蚀反应的进一步发展。

关键词: 存储条件, 反式-1-氯-3,3,3-三氟丙烯(HCFO-1233zd(E)), 典型金属, 腐蚀行为, 腐蚀速率, 腐蚀产物

Abstract:

In order to investigate the storage compatibility of the novel environmentally friendly fire extinguishing agent HCFO-1233zd(E), a self-designed corrosion test platform for gas extinguishing agent was utilized. Five representative metal materials commonly used in storage containers (304 stainless steel, Q235 carbon steel, 6061 aluminum alloy, H59 brass, and T2 copper) were selected to simulate the corrosion effects of HCFO-1233zd(E) under high pressure and alternating high-low temperature storage conditions. Corrosion rate, surface morphology, and corrosion products were characterized using an electronic balance, scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS). The results indicated that the corrosion rates of the five metals follow the order: Q235 carbon steel > 6061 aluminum alloy > 304 stainless steel > H59 brass > T2 copper. Under simulated storage conditions, HCFO-1233zd(E) induced a combined corrosion morphology dominated by uniform corrosion accompanied by localized pitting, with aggregation of blocky and flaky corrosion products observed on the metal surfaces. HCFO-1233zd(E) underwent decomposition under test conditions, generating highly corrosive HF and HCl, which reacted with the metal substrates to form halides. The generated metal halides, in turn, catalyze the decomposition of HCFO-1233zd(E). Meanwhile, short-chain organic compounds produced from the decomposition underwent chain polymerization, forming medium- to long-chain halogenated hydrocarbons that deposited on the metal surfaces. These organic deposits provided a certain physical barrier, which helped to retard further progression of the corrosion process.

Key words: storage condition, trans-1-Chloro-3,3,3-trifluoropropene(HCFO-1233zd(E)), typical metal, corrosion behaviors, corrosion rate, corrosion products

中图分类号:

X941

刘昊, 吕喜臻, 谌瑞宇. 面向存储条件下HCFO-1233zd(E)与典型金属腐蚀行为研究[J]. 中国安全科学学报, 2026, 36(6): 161-169.

Liu Hao, Lyu Xizhen, Chen Ruiyu. Investigation of corrosivity of HCFO-1233zd(E) with typical metals in storage conditions[J]. China Safety Science Journal, 2026, 36(6): 161-169.

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金属种类	M/g	M₁/g	差值/g	腐蚀速率/ (mm/a)
304不锈钢	1. 839 52	1. 839 25	0. 000 27	0. 006 283
Q235碳钢	1. 903 52	1. 903 12	0. 000 394	0. 009 168
6061铝合金	0. 654 50	0. 654 21	0. 000 288	0. 006 71
H59黄铜	1. 712 09	1. 711 84	0. 000 252	0. 005 862
T2紫铜	1. 862 80	1. 862 58	0. 000 214	0. 004 982