Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process
K403 nickel-base superalloy is widely used in the manufacture of aero-engine turbine blades because of its excellent properties at room temperature and high temperature. In order to solve the problem of turbine blade crack defects caused by long-term service in complex working conditions，in this wor...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Journal of Aeronautical Materials
2024-02-01
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| Series: | Journal of Aeronautical Materials |
| Subjects: | |
| Online Access: | http://jam.biam.ac.cn/article/doi/10.11868/j.issn.1005-5053.2022.000202 |
| _version_ | 1797299740988145664 |
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| author | ZHANG Guohui QIN Renyao ZHOU Biao ZHAO Zijun GUO Shaoqing HUANG Shuai WANG Yuexin AO Bin |
| author_facet | ZHANG Guohui QIN Renyao ZHOU Biao ZHAO Zijun GUO Shaoqing HUANG Shuai WANG Yuexin AO Bin |
| author_sort | ZHANG Guohui |
| collection | DOAJ |
| description | K403 nickel-base superalloy is widely used in the manufacture of aero-engine turbine blades because of its excellent properties at room temperature and high temperature. In order to solve the problem of turbine blade crack defects caused by long-term service in complex working conditions，in this work，two different processes of （tungsten inert gas，TIG） welding and laser cladding were used to repair the blade cracks，and the microstructure and properties of the repaired region were studied. The influence of TIG welding and laser cladding repairing on microstructure，mechanical properties and failure behavior was analyzed. The results show that the microcracks tend to occur near the repair interface using the TIG welding repairing process，which are mainly caused by carbides and low melting point eutectic structure. The grain and structure of the repaired area by laser cladding repair technology are more uniform，and the microcrack defects can be easier to control. The comprehensive mechanical properties of the samples repaired by laser cladding are obviously higher than those repaired by TIG welding repairing process，and the samples repaired by laser cladding have better process stability. The tensile strengths of the samples using the laser cladding repair process and the TIG welding repair process at room temperature have reached 87.44% and 69.22% of the strength of K403 base material，respectively. According to the failure analysis results，the tensile fracture at room temperature in the repaired region presents mixed fracture characteristics，and the tensile fracture at high temperature presents intergranular fracture characteristics. Microcracks in the repaired area，local liquid phase deficiency defects and carbide structure are the main reasons of failure. The laser cladding technology has the advantages of heat source concentration and smaller heat affected zone，which can effectively restrain the defects and refine the microstructure. Therefore，the laser cladding repair process is used to repair the edge plate crack damage generated during the blade test run. After fluorescence and kerosene-chalk detection，the repairing process meets the relevant reuse requirements. |
| first_indexed | 2024-03-07T22:55:03Z |
| format | Article |
| id | doaj.art-247f989048bd473fb4b43797750ac324 |
| institution | Directory Open Access Journal |
| issn | 1005-5053 |
| language | zho |
| last_indexed | 2024-03-07T22:55:03Z |
| publishDate | 2024-02-01 |
| publisher | Journal of Aeronautical Materials |
| record_format | Article |
| series | Journal of Aeronautical Materials |
| spelling | doaj.art-247f989048bd473fb4b43797750ac3242024-02-23T04:46:39ZzhoJournal of Aeronautical MaterialsJournal of Aeronautical Materials1005-50532024-02-0144112113210.11868/j.issn.1005-5053.2022.000202a2022-0202Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding processZHANG Guohui0QIN Renyao1ZHOU Biao2ZHAO Zijun3GUO Shaoqing4HUANG Shuai5WANG Yuexin6AO Bin73D Printing Research and Engineering Technology Center，AECC Beijing Institute of Aeronautical Materials，Beijing 100095，China3D Printing Research and Engineering Technology Center，AECC Beijing Institute of Aeronautical Materials，Beijing 100095，China3D Printing Research and Engineering Technology Center，AECC Beijing Institute of Aeronautical Materials，Beijing 100095，China3D Printing Research and Engineering Technology Center，AECC Beijing Institute of Aeronautical Materials，Beijing 100095，China3D Printing Research and Engineering Technology Center，AECC Beijing Institute of Aeronautical Materials，Beijing 100095，China3D Printing Research and Engineering Technology Center，AECC Beijing Institute of Aeronautical Materials，Beijing 100095，ChinaEngineering Technology Department/Technology Center，AECC Guizhou Liyang Aviation Power Co.，Ltd.，Guiyang 550014,ChinaEngineering Technology Department/Technology Center，AECC Guizhou Liyang Aviation Power Co.，Ltd.，Guiyang 550014,ChinaK403 nickel-base superalloy is widely used in the manufacture of aero-engine turbine blades because of its excellent properties at room temperature and high temperature. In order to solve the problem of turbine blade crack defects caused by long-term service in complex working conditions，in this work，two different processes of （tungsten inert gas，TIG） welding and laser cladding were used to repair the blade cracks，and the microstructure and properties of the repaired region were studied. The influence of TIG welding and laser cladding repairing on microstructure，mechanical properties and failure behavior was analyzed. The results show that the microcracks tend to occur near the repair interface using the TIG welding repairing process，which are mainly caused by carbides and low melting point eutectic structure. The grain and structure of the repaired area by laser cladding repair technology are more uniform，and the microcrack defects can be easier to control. The comprehensive mechanical properties of the samples repaired by laser cladding are obviously higher than those repaired by TIG welding repairing process，and the samples repaired by laser cladding have better process stability. The tensile strengths of the samples using the laser cladding repair process and the TIG welding repair process at room temperature have reached 87.44% and 69.22% of the strength of K403 base material，respectively. According to the failure analysis results，the tensile fracture at room temperature in the repaired region presents mixed fracture characteristics，and the tensile fracture at high temperature presents intergranular fracture characteristics. Microcracks in the repaired area，local liquid phase deficiency defects and carbide structure are the main reasons of failure. The laser cladding technology has the advantages of heat source concentration and smaller heat affected zone，which can effectively restrain the defects and refine the microstructure. Therefore，the laser cladding repair process is used to repair the edge plate crack damage generated during the blade test run. After fluorescence and kerosene-chalk detection，the repairing process meets the relevant reuse requirements.http://jam.biam.ac.cn/article/doi/10.11868/j.issn.1005-5053.2022.000202k403 superalloyblade repairinglaser cladding repairingtungsten inert gas welding repairing |
| spellingShingle | ZHANG Guohui QIN Renyao ZHOU Biao ZHAO Zijun GUO Shaoqing HUANG Shuai WANG Yuexin AO Bin Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process Journal of Aeronautical Materials k403 superalloy blade repairing laser cladding repairing tungsten inert gas welding repairing |
| title | Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process |
| title_full | Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process |
| title_fullStr | Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process |
| title_full_unstemmed | Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process |
| title_short | Microstructure and properties of K403 nickel-base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process |
| title_sort | microstructure and properties of k403 nickel base superalloy guide vane repaired by tungsten inert gas welding and laser cladding process |
| topic | k403 superalloy blade repairing laser cladding repairing tungsten inert gas welding repairing |
| url | http://jam.biam.ac.cn/article/doi/10.11868/j.issn.1005-5053.2022.000202 |
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