一种提高厚大截面超高锰钢铸件综合性能及其稳定性的孕育剂、制备方法和应用
By using an inoculant composed of rare earth magnesium alloys and other materials to prepare spherical particles in a vacuum induction furnace, the problems of coarse grains and dendrite growth in thick-section ultra-high manganese steel castings were solved, resulting in a significant improvement in casting performance and stability.
CN118106463BActive Publication Date: 2026-07-17JIAHE FEIHENG ALLOY CASTING CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JIAHE FEIHENG ALLOY CASTING CO LTD
- Filing Date
- 2024-02-05
- Publication Date
- 2026-07-17
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Figure BDA0004699300740000101 
Figure BDA0004699300740000111
Abstract
本发明公开了一种提高厚大截面超高锰钢铸件综合性能及其稳定性的孕育剂，以质量百分数为单位，包括以下原料：稀土镁合金20‑30％、稀土硅铁合金30‑40％、铌铁粉7‑15％、硅钙粉3‑10％、硅钙钡粉9‑15％、硅钙钡铝粉9‑15％、钒铁粉2‑5％、钛铁粉1‑5％、钼铁粉2‑5％、氮化铬铁粉3‑5％、钨铁粉1‑5％。在超高锰钢生产中，在本发明孕育剂处理下，可大大提高超高锰钢的初生高熔点化合物的数量，从而细化晶粒，净化晶界，有利于提高厚大截面超高锰钢铸件的综合性能及性能的稳定性，从而提高其耐磨性。
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