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公开(公告)号：US20230009856A1
公开(公告)日：2023-01-12
申请号：US17861028
申请日：2022-07-08
Applicant: Samuel McAlpine , Steven Jepeal
Inventor： Samuel McAlpine , Steven Jepeal
IPC: C23C24/04 , C21D9/00 , C21D8/08 , C21D6/00 , C21D1/34 , C22C38/44 , C22C38/06 , C22C38/04 , C22C38/00 , C23F17/00
Abstract: In some embodiments, a coating applied to steel reinforcement bar (e.g., steel rebar) that could considerably extend the lifetime of concrete structures by reducing steel rebar corrosion is disclosed. The coating includes a thin, passivating steel (e.g., stainless steel) layer that is applied to the outside of conventional steel rebar. The coating can be applied in-line through metal cold spray manufacturing, which is a high throughput coating technique that can be integrated into existing steel manufacturing plants. Furthermore, a novel, high performance ferritic steel with tailored resistance to corrosion from chlorides is described. The new ferritic steel is distinct from other commercial and experimental steels, and is better suited for coating low-cost steel structures like rebar. Multiple alloying elements including Cr, Al, and Si will each form protective oxides independently, increasing the total amount of protection and extending it over much wider ranges of pH and electrical potential.
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公开(公告)号：US20230012077A1
公开(公告)日：2023-01-12
申请号：US17861129
申请日：2022-07-08
Applicant: Samuel McAlpine , Steven Jepeal
Inventor： Samuel McAlpine , Steven Jepeal
Abstract: In some embodiments, a coating applied to steel reinforcement bar (e.g., steel rebar) that could considerably extend the lifetime of concrete structures by reducing steel rebar corrosion is disclosed. The coating includes a thin, passivating steel (e.g., stainless steel) layer that is applied to the outside of conventional steel rebar. The coating can be applied in-line through metal cold spray manufacturing, which is a high throughput coating technique that can be integrated into existing steel manufacturing plants. Furthermore, a novel, high performance ferritic steel with tailored resistance to corrosion from chlorides is described. The new ferritic steel is distinct from other commercial and experimental steels, and is better suited for coating low-cost steel structures like rebar. Multiple alloying elements including Cr, Al, and Si will each form protective oxides independently, increasing the total amount of protection and extending it over much wider ranges of pH and electrical potential.
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公开(公告)号：US12234558B2
公开(公告)日：2025-02-25
申请号：US17861129
申请日：2022-07-08
Applicant: Samuel McAlpine , Steven Jepeal
Inventor： Samuel McAlpine , Steven Jepeal
IPC: C23C24/08 , B22F9/04 , B22F9/08 , C21D1/34 , C21D6/00 , C21D8/06 , C21D8/08 , C21D9/00 , C22C33/04 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/44 , C23C4/00 , C23C24/04 , C23F17/00
Abstract: In some embodiments, a coating applied to steel reinforcement bar (e.g., steel rebar) that could considerably extend the lifetime of concrete structures by reducing steel rebar corrosion is disclosed. The coating includes a thin, passivating steel (e.g., stainless steel) layer that is applied to the outside of conventional steel rebar. The coating can be applied in-line through metal cold spray manufacturing, which is a high throughput coating technique that can be integrated into existing steel manufacturing plants. Furthermore, a novel, high performance ferritic steel with tailored resistance to corrosion from chlorides is described. The new ferritic steel is distinct from other commercial and experimental steels, and is better suited for coating low-cost steel structures like rebar. Multiple alloying elements including Cr, Al, and Si will each form protective oxides independently, increasing the total amount of protection and extending it over much wider ranges of pH and electrical potential.
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公开(公告)号：US20230011175A1
公开(公告)日：2023-01-12
申请号：US17861047
申请日：2022-07-08
Applicant: Samuel McAlpine , Steven Jepeal
Inventor： Samuel McAlpine , Steven Jepeal
Abstract: In some embodiments, a coating applied to steel reinforcement bar (e.g., steel rebar) that could considerably extend the lifetime of concrete structures by reducing steel rebar corrosion is disclosed. The coating includes a thin, passivating steel (e.g., stainless steel) layer that is applied to the outside of conventional steel rebar. The coating can be applied in-line through metal cold spray manufacturing, which is a high throughput coating technique that can be integrated into existing steel manufacturing plants. Furthermore, a novel, high performance ferritic steel with tailored resistance to corrosion from chlorides is described. The new ferritic steel is distinct from other commercial and experimental steels, and is better suited for coating low-cost steel structures like rebar. Multiple alloying elements including Cr, Al, and Si will each form protective oxides independently, increasing the total amount of protection and extending it over much wider ranges of pH and electrical potential.
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