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A Cr-rich phase precipitation strengthening type corrosion-resistant nickel-based alloy and a preparation method thereof,Acid and alkali resistant medium Ni-Cr based alloy, and preparation method and application thereof

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Definition of chromic oxide. : an oxide Cr2O3 obtained as a green powder by thermal decomposition of most chromium compounds or by reduction of sodium dichromate or sodium chromate and used as the very permanent pigment chrome oxide green, as a coloring agent for glass and ceramic ware, and as a catalyst — compare chromic hydroxide.

A Cr-rich phase precipitation strengthening type corrosion-resistant nickel-based alloy and a preparation method thereof

PendingCN122406036AUltimate tensile strengthElectro-slag remelting

一种富Cr相析出强化型镍基耐蚀合金及其制备方法，属于镍基合金制造技术领域。所述镍基合金化学成分及质量含量为C：0.01～0.05%，Cr：29.00～35.00%，Al：1.10～2.50%，B：0.001～0.005%，Ti：0.80～2.50%，Fe：0.10～3.50%，其余为Ni和不可避免的杂质。其制备方法包括真空感应熔炼、保护气氛电渣重熔、锻造、退火、轧制、淬火、时效热处理工序。本发明采用Ni‑Cr‑Al‑Ti成分体系，热成形窗口较宽，在热处理后，析出的γ′相和富Cr相能大幅提高强度，同时Cr元素还在表面形成致密的氧化铬薄膜，提高了抗腐蚀性能。

A Cr-rich phase precipitation strengthening type corrosion-resistant nickel-based alloy and a preparation method thereof

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Owner:HEBEI DAHE MATERIAL TECH CO LTD +2

Acid and alkali resistant medium Ni-Cr based alloy, and preparation method and application thereof

PendingCN122406011AAl powderCHROMIC OXIDE

本发明公开了一种耐酸碱介质Ni‑Cr基合金及其制备方法与应用，属于电热功能材料与耐蚀合金技术领域。所述方法包括：以氧化镍、氧化铬和铝粉为原料，并以Cr‑Ce或Cr‑Sb中间合金引入Ce或Sb，混合得前驱粉体；压制成坯；真空下点火引发高温自蔓延反应，控制冷却速率使渣金分离；冷却后除渣、后处理，即得。本发明通过中间合金引入微量元素，避免了单质添加时的氧化、烧损，实现了微量元素的精确、均匀分布，稳定发挥微合金化改性效果。所得材料组织均匀、耐酸碱腐蚀、热电性能优良，适用于电热元件、化工加热设备及管道伴热装置。

Acid and alkali resistant medium Ni-Cr based alloy, and preparation method and application thereof

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Owner:INNER MONGOLIA UNIVERSITY

2 results about "CHROMIC OXIDE" patented technology

A Cr-rich phase precipitation strengthening type corrosion-resistant nickel-based alloy and a preparation method thereof

Acid and alkali resistant medium Ni-Cr based alloy, and preparation method and application thereof

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