JPS5575504A - Method of assembling blade to hub of ceramic turbine rotor - Google Patents

Method of assembling blade to hub of ceramic turbine rotor

Info

Publication number
JPS5575504A
JPS5575504A JP14825778A JP14825778A JPS5575504A JP S5575504 A JPS5575504 A JP S5575504A JP 14825778 A JP14825778 A JP 14825778A JP 14825778 A JP14825778 A JP 14825778A JP S5575504 A JPS5575504 A JP S5575504A
Authority
JP
Japan
Prior art keywords
hub
turbine rotor
way
blade
ceramic material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14825778A
Other languages
Japanese (ja)
Inventor
Michiyasu Komatsu
Masae Nakanishi
Shozo Kawasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14825778A priority Critical patent/JPS5575504A/en
Publication of JPS5575504A publication Critical patent/JPS5575504A/en
Pending legal-status Critical Current

Links

Landscapes

  • Turbine Rotor Nozzle Sealing (AREA)
  • Producing Shaped Articles From Materials (AREA)

Abstract

PURPOSE: To simplify manufacturing of turbine rotor, by fitting blade units formed by way of extrusion around the periphery of hub formed by way of hot press.
CONSTITUTION: Hub 1 of turbine rotor is obtained by die-molding powder of ceramic material consisting principally of silicon nitride and admixed with sintering- assisting agent. The hub 1 is shaped in a disk-like form having a shaft receiving hole 3 opened at its central portion and a multiplicity of recesses 4 formed equidistantly around its outer periphery. Then, the hub 1 is strengthened by increasing its density by way of hot press. On the other hand, blade unit 2 is obtained by extruding powder of ceramic material admixed with organic binder into a form having a three-dimensionally twisted blade portion 5 and leg portion 6. These blade units 2 are assembled to the hub 1 by inserting the leg portion 6 into each recess 4 of hub 1.
COPYRIGHT: (C)1980,JPO&Japio
JP14825778A 1978-11-30 1978-11-30 Method of assembling blade to hub of ceramic turbine rotor Pending JPS5575504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14825778A JPS5575504A (en) 1978-11-30 1978-11-30 Method of assembling blade to hub of ceramic turbine rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14825778A JPS5575504A (en) 1978-11-30 1978-11-30 Method of assembling blade to hub of ceramic turbine rotor

Publications (1)

Publication Number Publication Date
JPS5575504A true JPS5575504A (en) 1980-06-06

Family

ID=15448728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14825778A Pending JPS5575504A (en) 1978-11-30 1978-11-30 Method of assembling blade to hub of ceramic turbine rotor

Country Status (1)

Country Link
JP (1) JPS5575504A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6297804A (en) * 1985-10-24 1987-05-07 株式会社日本製鋼所 Manufacture of complicate shaped product such as ceramics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527311A (en) * 1975-06-27 1977-01-20 Special Metals Corp Process for production of compound turbine wheel and like

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527311A (en) * 1975-06-27 1977-01-20 Special Metals Corp Process for production of compound turbine wheel and like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6297804A (en) * 1985-10-24 1987-05-07 株式会社日本製鋼所 Manufacture of complicate shaped product such as ceramics

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