Friction-resistant titanium alloy steam turbine vane and production method thereof
A steam turbine blade and titanium alloy technology, which is applied in mechanical equipment, blade support elements, engine elements, etc., can solve the problems of steam turbine blade damage, high temperature, steam turbine blade breakage, etc., to improve friction resistance and high temperature resistance. , Increase hardness and prevent corrosion
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Embodiment 1
[0032] Embodiment 1: A friction-resistant titanium alloy steam turbine blade provided in this embodiment includes a blade root, a blade body and a blade crown, and the blade root, blade body and blade crown are fixedly connected in sequence, and the blade body includes an inner arc side and an outer arc side , the chemical composition and mass percentage content of the steam turbine blade are as follows:
[0033] The chemical composition and mass percentage content of the steam turbine blade are as follows:
[0034] C: 2.3%, Si: 0.1%, Mn: 0.3%, P: 0.01%, S: 0.01%, Ni: 0.2%, N: 2.2%, V: 0.2%, Ti: 0.14%, TiC: 0.15%, TiCN: 0.1%, ZrN: 0.1%, Cr: 1.2%, the total amount is 0.1% trace elements Cr and Co, the total amount is 0.01% β-NiAl intermetallic compound as the main phase alloy powder, and the balance is Fe .
[0035] A preparation method for a friction-resistant titanium alloy steam turbine blade, comprising the following steps:
[0036] a. Add C, Si, Mn, P, S, Ni, V, Ti, TiC...
Embodiment 2
[0052] Embodiment 2: A friction-resistant titanium alloy steam turbine blade provided in this embodiment includes a blade root, a blade body and a blade crown, and the blade root, blade body and blade crown are fixedly connected in sequence, and the blade body includes an inner arc side and an outer arc side , the chemical composition and mass percentage content of the steam turbine blade are as follows:
[0053] The chemical composition and mass percentage content of the steam turbine blade are as follows:
[0054] C: 3.2%, Si: 2.6%, Mn: 1.0%, P: 0.1%, S: 0.05%, Ni: 3.0%, N: 3.5%, V: 2.5%, Ti: 0.6%, TiC: 2.5%, TiCN: 1.9%, ZrN: 2.5%, Cr: 1.5%, the total amount is 0.5% trace elements Cr and Co, the total amount is 0.7% β-NiAl intermetallic compound as the main phase alloy powder, and the balance is Fe .
[0055] A preparation method for a friction-resistant titanium alloy steam turbine blade, comprising the following steps:
[0056] a. Add C, Si, Mn, P, S, Ni, V, Ti, TiC, Ti...
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