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a standard test method to evaluate the VIA of VCI materials to protect representative nonferrous metal surfaces from corrosion (VIA-Nonferrous test), and another test method to include the presence of atmospheric contaminants that can accelerate corrosion of the metals.
The paper provides technical and historical perspective considered in creating the recently published NACE standard test method TM0208-20081 for rapid qualitative evaluation to determine the presence of Vapor Inhibiting Ability (VIA) for corrosion protection of ferrous metal surfaces (VIA-F).
3 Οκτ 2024 · Công ty Cổ phần Chứng khoán VIETCAP (Mã HOSE: VCI). Giá cổ phiếu (sáng 02/12/2024): 33,150 VNĐ. Khối lượng 2,530,500. Vốn hóa tt: 23,805.00 tỷ VNĐ. Tra cứu CK - GD cổ đông - Tải BCTC trên CafeF
2 Αυγ 2022 · In this study, a rapid and quantitative test method was developed using coupled multi-array sensor technology. The results showed the ability of this test method to provide consistent results and differentiate quantitatively between the anticorrosive effects of different VCI materials.
The use of VCI or vapor phase corrosion inhibitors (VPCI) has rapidly expanded in the last decades; in particular, a special type called VPCI was also designed as VCIs. VCIs slow the rate of corrosion reactions when added in relatively small amount to a corroding system.
test studies on VCI materials. The test was a 154-day long uniform exposure test (104 50 F and 5% RHI for the simultaneous evaluation of the 84 sets of test samples.
ion effect of VCI-containing products, numerous tests are established. In most cases, principally, a metallic sample is exposed to a climatic stress in presence of a VCI-containing product and the protection effect of the VCI is evaluated afterwards by visually assess.
