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在所设计的含2．8％～3．0％C，7％～9％Cr的中铬白口铸铁中，通过特定的工艺向铁水中添加一定量的氮，使氮在中铬白口铸铁凝固过程中以原子状态存在，考察氮对中铬白口铸铁凝固过程及其性能和组织的影响。
In the design of 2.8% ~ 3.0% C, 7% ~ 9% Cr medium chromium white cast iron, through a specific process to add a certain amount of nitrogen to the hot metal, nitrogen in the white chrome Cast iron solidification process exists in the atomic state, investigating the nitrogen on the chrome white cast iron solidification process and its properties and microstructure.