LNG运输船螺柱焊对压载舱油漆影响的试验
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摘要
针对LNG运输船货舱内的围护系统需采用螺柱来固定绝缘材料,螺柱焊接产生的热量会对钢板反面的油漆造成损伤,且不易发现的问题。分析在特定焊接参数下,判断不同钢板厚度上油漆受螺柱焊影响的方法,试验分析螺柱焊接过程中钢板温度变化,结果表明,对涂层进行拉拔试验、阴极剥离试验,可以确定临界钢板厚度。
Stud welding method is used to install the insulation system in LNG carrier cargo holding tanks,the heat generated by stud welding may damage the coating on the backside of the plate. The methods to judge whether the coating is damaged for different thickness of plates under certain parameters were analyzed. The temperature changes of plates during stud welding were investigated experimentally. The results showed that the critical thickness of steel plate can be determined by drawing test and cathode dis-bonding test.
Stud welding method is used to install the insulation system in LNG carrier cargo holding tanks,the heat generated by stud welding may damage the coating on the backside of the plate. The methods to judge whether the coating is damaged for different thickness of plates under certain parameters were analyzed. The temperature changes of plates during stud welding were investigated experimentally. The results showed that the critical thickness of steel plate can be determined by drawing test and cathode dis-bonding test.
引文
[1]池强,张建勋,付继飞.电弧螺柱焊技术的发展与应用[J].焊接技术,2003,32(6):18-20.
[2]Resolution MSC.215(82),Performance standard for protective coatings for dedicated seawater ballast tanks In all types of ships and double-side skin spaces of bulk carriers[S].IMO,2016.
[3]赵景丽,李河清.国内提高环氧树脂耐热性的研究进展[J].工程塑料应用,2005,33(8):68-70.
[4]ISO 8501-1:2007,Preparation of steel substrates before application of paints and related products---Visual assessment of surface cleanliness---Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings[S].ISO.2007.
[5]MUNGER C G,VINCENT L D.Corrosion prevention by protective coatings[M].U.S.A:NACE International,2014.
[6]ISO 4624:2002,Paints and varnishes-Pull-off test for adhesion[S].ISO.2016.
[7]ISO 15711:2004,Paints and varnishes-Determination of resistance to cathodic disbonding of coatings exposed to seawater[S].ISO.2004.
[8]分析实验室用水国家标准:GB/T 6682-2008[S].北京:中国标准出版社,2008.
[2]Resolution MSC.215(82),Performance standard for protective coatings for dedicated seawater ballast tanks In all types of ships and double-side skin spaces of bulk carriers[S].IMO,2016.
[3]赵景丽,李河清.国内提高环氧树脂耐热性的研究进展[J].工程塑料应用,2005,33(8):68-70.
[4]ISO 8501-1:2007,Preparation of steel substrates before application of paints and related products---Visual assessment of surface cleanliness---Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings[S].ISO.2007.
[5]MUNGER C G,VINCENT L D.Corrosion prevention by protective coatings[M].U.S.A:NACE International,2014.
[6]ISO 4624:2002,Paints and varnishes-Pull-off test for adhesion[S].ISO.2016.
[7]ISO 15711:2004,Paints and varnishes-Determination of resistance to cathodic disbonding of coatings exposed to seawater[S].ISO.2004.
[8]分析实验室用水国家标准:GB/T 6682-2008[S].北京:中国标准出版社,2008.