公开(公告)号：NO159816C

公开(公告)日：1989-02-08

申请号：NO834230

申请日：1983-11-18

Applicant: UNITED TECHNOLOGIES CORP

Inventor： ATHEY ROY L

IPC: F01D5/10 ,  B21K1/36 ,  B23P15/00 ,  F01D5/02 ,  F01D5/12 ,  F01D5/34

Abstract: Stress relief for the rim of an integrally bladed rotor made from a forging preform is provided by forming a plurality of radially extending circumferentially spaced-apart slots around the periphery of the preform. The slots are forged closed in a subsequent forming step. An oxide layer on the slot surfaces prevents the surfaces from bonding together when forged closed. The blades are formed between slots during the forging or by machining after forging.

公开(公告)号：IT1194470B

公开(公告)日：1988-09-22

申请号：IT2381483

申请日：1983-11-22

Applicant: UNITED TECHNOLOGIES CORP

Inventor： ATHEY ROY L

IPC: F01D5/10 ,  B21K1/36 ,  B23P15/00 ,  F01D5/02 ,  F01D5/12 ,  F01D5/34 ,  F02C

Abstract: Stress relief for the rim of an integrally bladed rotor made from a forging preform is provided by forming a plurality of radially extending circumferentially spaced-apart slots around the periphery of the preform. The slots are forged closed in a subsequent forming step. An oxide layer on the slot surfaces prevents the surfaces from bonding together when forged closed. The blades are formed between slots during the forging or by machining after forging.

公开(公告)号：CA1209924A

公开(公告)日：1986-08-19

申请号：CA440419

申请日：1983-11-04

Applicant: UNITED TECHNOLOGIES CORP

Inventor： ATHEY ROY L

IPC: F01D5/10 ,  B21K1/36 ,  B23P15/00 ,  F01D5/02 ,  F01D5/12 ,  F01D5/34 ,  F01D5/00 ,  F02C7/00

Abstract: Low Cycle Fatigue Crack Elimination For Integrally Bladed Disks Stress relief for the rim of an integrally bladed rotor made from a forging preform is provided by forming a plurality of radially extending circumferentially spaced-apart slots around the periphery of the preform. The slots are forged closed in a subsequent forming step. An oxide layer on the slot surfaces prevents the surfaces from bonding together when forged closed. The blades are formed between slots during the forging or by machining after forging.

公开(公告)号：FR2574686A1

公开(公告)日：1986-06-20

申请号：FR8516228

申请日：1985-10-31

Applicant: UNITED TECHNOLOGIES CORP

Inventor： MILLER JOHN A ,  ATHEY ROY L

IPC: B21J5/00 ,  B21K1/32 ,  B21K1/36 ,  B23P15/00 ,  C22F1/10 ,  F02C7/20 ,  F03B3/12 ,  C22C19/00 ,  F01D5/02

Abstract: A method is described for producing metallic articles, especially turbine disks, which have a hot-worked structure in one region and a warmworked structure in another region and thereby have properties which differ in different regions. The method comprises an initial hot-working step, an intermediate heat treatment step and a final warm-working step.

公开(公告)号：NO853929A

公开(公告)日：1986-06-19

申请号：NO853929

申请日：1985-10-04

Applicant: UNITED TECHNOLOGIES CORP

Inventor： MILLER JOHN A ,  ATHEY ROY L

IPC: B21J5/00 ,  B21K1/32 ,  B21K1/36 ,  B23P15/00 ,  C22F1/10 ,  F02C7/20 ,  F03B3/12

CPC classification number: B21J5/00 ,  B21K1/36 ,  B23P15/006 ,  C22F1/10 ,  F03B3/12 ,  Y02E10/223 ,  Y02P70/525 ,  Y10S148/902

公开(公告)号：DE3341953A1

公开(公告)日：1984-05-24

申请号：DE3341953

申请日：1983-11-21

Applicant: UNITED TECHNOLOGIES CORP

Inventor： ATHEY ROY L

IPC: F01D5/10 ,  B21K1/36 ,  B23P15/00 ,  F01D5/02 ,  F01D5/12 ,  F01D5/34 ,  B21K3/04

Abstract: Stress relief for the rim of an integrally bladed rotor made from a forging preform is provided by forming a plurality of radially extending circumferentially spaced-apart slots around the periphery of the preform. The slots are forged closed in a subsequent forming step. An oxide layer on the slot surfaces prevents the surfaces from bonding together when forged closed. The blades are formed between slots during the forging or by machining after forging.

公开(公告)号：NO167405B

公开(公告)日：1991-07-22

申请号：NO853929

申请日：1985-10-04

Applicant: UNITED TECHNOLOGIES CORP

Inventor： MILLER JOHN A ,  ATHEY ROY L

IPC: B21J5/00 ,  B21K1/32 ,  B21K1/36 ,  B23P15/00 ,  C22F1/10 ,  F02C7/20 ,  F03B3/12

Abstract: A method is described for producing metallic articles, especially turbine disks, which have a hot-worked structure in one region and a warmworked structure in another region and thereby have properties which differ in different regions. The method comprises an initial hot-working step, an intermediate heat treatment step and a final warm-working step.

公开(公告)号：NO853929L

公开(公告)日：1986-06-19

申请号：NO853929

申请日：1985-10-04

Applicant: UNITED TECHNOLOGIES CORP

Inventor： MILLER JOHN A ,  ATHEY ROY L

IPC: B21J5/00 ,  B21K1/32 ,  B21K1/36 ,  B23P15/00 ,  C22F1/10 ,  F02C7/20 ,  F03B3/12

Abstract: A method is described for producing metallic articles, especially turbine disks, which have a hot-worked structure in one region and a warmworked structure in another region and thereby have properties which differ in different regions. The method comprises an initial hot-working step, an intermediate heat treatment step and a final warm-working step.

公开(公告)号：FR2536316A1

公开(公告)日：1984-05-25

申请号：FR8318469

申请日：1983-11-21

Applicant: UNITED TECHNOLOGIES CORP

Inventor： ATHEY ROY L

IPC: F01D5/10 ,  B21K1/36 ,  B23P15/00 ,  F01D5/02 ,  F01D5/12 ,  F01D5/34 ,  B21D53/78 ,  B21K3/04

Abstract: Stress relief for the rim of an integrally bladed rotor made from a forging preform is provided by forming a plurality of radially extending circumferentially spaced-apart slots around the periphery of the preform. The slots are forged closed in a subsequent forming step. An oxide layer on the slot surfaces prevents the surfaces from bonding together when forged closed. The blades are formed between slots during the forging or by machining after forging.

公开(公告)号：NO834230L

公开(公告)日：1984-05-23

申请号：NO834230

申请日：1983-11-18

Applicant: UNITED TECHNOLOGIES CORP

Inventor： ATHEY ROY L

IPC: F01D5/10 ,  B21K1/36 ,  B23P15/00 ,  F01D5/02 ,  F01D5/12 ,  F01D5/34 ,  F01D

Abstract: Stress relief for the rim of an integrally bladed rotor made from a forging preform is provided by forming a plurality of radially extending circumferentially spaced-apart slots around the periphery of the preform. The slots are forged closed in a subsequent forming step. An oxide layer on the slot surfaces prevents the surfaces from bonding together when forged closed. The blades are formed between slots during the forging or by machining after forging.