.A new thermal process was developed that reverses the sensitization in highly corrosion susceptible 5xxx aluminum alloys and effectively stabilizes the plate to a non
A stabilization treatment has been developed to reverse sensitization and restore corrosion resistance such that in-service plate can be refurbished rather than replaced.
.The incorporation of high-density solute clusters into non-heated 5xxx Al alloys via room-temperature cyclic plasticity not only strengthens the material but also increases its
In order to investigate the effects of sensitization on the 5xxx alloys, 5456 (H116) and 5083 (H116) and a 5456 alloy removed from service after a 15-year exposure have been analyzed.
Concurrent Technologies Corporation’s (CTC’s) patented Reverse Sensitization Unit (RSU) technology mitigates sensitized 5xxx aluminum structures,
This paper reviews the relevant works that have documented the degree of sensitization for various 5xxx series alloys, providing a holistic overview of the issue, along with attention to the
.A stabil-ization treatment has been developed to reverse sensitization and restore corrosion resistance such that in-service plate can be refurbished rather than replaced.
.Abstract Sensitization can occur in 5xxx aluminum alloy utilized in welded ship structures. Cumulative exposure of plating to elevated temperatures causes magnesium in the
Article quot;Locally Reversing Sensitization in 5xxx Aluminum Platequot; Detailed information of the J-GLOBAL is an information service managed by the Japan Science and Technology Agency
Aluminum-magnesium alloys are ideal for ship construction; however, these alloys can become sensitized and susceptible to intergranular corrosion when exposed to moderately elevated
A Survey of Sensitization in 5xxx Series Aluminum Alloys The 5xxx series (Al-Mg-based) aluminum alloys suffer from intergranular corrosion and intergranular stress corrosion cracking
Locally Reversing Sensitization in 5xxx Aluminum Plate L. Kramer, M. Phillippi, W.T. Tack, and C. Wong (Submitted October 21, 2010; in revised form June 14, 2011)
Article quot;Locally Reversing Sensitization in 5xxx Aluminum Platequot; Detailed information of the J-GLOBAL is an information service managed by the Japan Science and Technology Agency
.The effect of stabilization annealing on the long-term corrosion resistance and microstructure in Er and Zr contained 5083 aluminum alloy was studied using the nitric acid
.The 5xxx series aluminium alloys are susceptible to sensitisation during service at elevated temperatures. Sensitisation refers to deleterious grain boundary precipitation
Aluminum-magnesium alloys are ideal for ship construction; however, these alloys can become sensitized and susceptible to intergranular corrosion when exposed to moderately elevated
Aluminum-magnesium alloys are ideal for ship construction; however, these alloys can become sensitized and susceptible to intergranular corrosion when exposed to moderately elevated
.关键字：铝镁合金、Er、长期耐蚀性、稳定化 参考文献 [1] Kramer L, Phillippi M, Tack W T, Wong C. Locally Reversing Sensitization in 5xxx Aluminum Plate [J].
.For instance, Kramer reported that the thermal process in the range of 240–280 C can reverse the sensitization in highly corrosion susceptible 5xxx Al alloys by forming of
.Sensitization can occur in 5xxx aluminum alloy utilized in welded ship structures. Cumulative exposure of plating to elevated temperatures causes magnesium in the aluminum
The 5xxx series (Al-Mg-based) aluminum alloys suffer from intergranular corrosion and intergranular stress corrosion cracking when the alloy has become “sensitized.” Sensitization
.关键字：铝镁合金、Er、长期耐蚀性、稳定化 参考文献 [1] Kramer L, Phillippi M, Tack W T, Wong C. Locally Reversing Sensitization in 5xxx Aluminum Plate [J].
.For instance, Kramer reported that the thermal process in the range of 240–280 C can reverse the sensitization in highly corrosion susceptible 5xxx Al alloys by forming of
.Sensitization can occur in 5xxx aluminum alloy utilized in welded ship structures. Cumulative exposure of plating to elevated temperatures causes magnesium in the aluminum
The 5xxx series (Al-Mg-based) aluminum alloys suffer from intergranular corrosion and intergranular stress corrosion cracking when the alloy has become “sensitized.” Sensitization
8.6 L Kramer, M Phillippi, WT Tack, and C Wong, “Locally reversing sensitization in 5xxx aluminum plate”, Journal of Materials Engineering and Performance, 21 (2012) 1025-1029
摘要： The 5xxx series (Al-Mg-based) aluminum alloys suffer from intergranular corrosion and intergranular stress corrosion cracking when the alloy has become quot;sensitized.quot; Sensitization
This process is known as “desensitization.” See L. Kramer, M. Phillippi, W. T. Tack, and C. Wong, “Locally Reversing Sensitization in 5xxx Aluminum Plate,” Journal of Materials Engineering
A stabilization treatment has been developed to reverse sensitization and restore corrosion resistance such that in-service plate can be refurbished rather than replaced. This treatment
.Phase transformations in 5xxx series aluminum alloys (AA) during sensitization impact the propagation of ultrasound through these materials in a quantifiable way. The effect
.In this study, we explore this strategy to enhance both the strength and sensitization resistance of 5xxx Al alloys. The incorporation of high-density solute clusters into
This phenomenon is known as “sensitization” and is associated with the precipitation of Mg-rich phases on grain boundaries during elevated- temperature exposure. In order to investigate the
.A number of Al 5xxx alloys were aged at constant temperatures (40, 50, 60, 70C) and cyclic temperatures (40 to 45, 30 to 70, 50 to 70C) for as long as 57.5 months.
To solve these problems of the sensitization of marine- grade aluminum plates, stabilization heat treatment has been used to restore the corrosion resistance of some naturally exfoliated
.In this study, we explore this strategy to enhance both the strength and sensitization resistance of 5xxx Al alloys. The incorporation of high-density solute clusters into
This phenomenon is known as “sensitization” and is associated with the precipitation of Mg-rich phases on grain boundaries during elevated- temperature exposure. In order to investigate the
To solve these problems of the sensitization of marine- grade aluminum plates, stabilization heat treatment has been used to restore the corrosion resistance of some naturally exfoliated
.Since sensitization occurs at the microstructure level, a measurement technique that can measure multiple locations rapidly and is highly sensitive to minute changes is called
.Sensitization of 5xxx series aluminum alloys is characterized by the gradual precipitation of the alloying element magnesium as a beta phase (Al 3 Mg 2) along the grain
材料研究学报 2015, Vol. 29 Issue (8): 576-582 DOI: 10.11901/1005.3093.2014.696
The cold‐rolled 5059 aluminum alloy plate was annealed at different temperatures （125～275 ℃） for 1 h， and the effects of stabilizing annealing temperature on the microstructure and
.To our knowledge, there are no previous published reports about this layer structure formation in Al 5xxx alloys during sensitization. Since grain boundary interfacial
(DOI: 10.5006/1918) A number of Al 5xxx alloys were aged at constant temperatures (40, 50, 60, 70C) and cyclic temperatures (40 to 45, 30 to 70, 50 to 70C) for as long as 57.5 months.
Abstract : This research explores a novel repair technique to reverse the sensitization of aluminum magnesium (Al-Mg) alloys. Al-Mg alloys can become sensitized when magnesium
For comparison, two plates were fabricated from cold rolled AA5052, an aluminum alloy with a lower magnesium content of 2.2 wt.% to 2.8 wt.%. These plates were heat-treated side by side