公开(公告)号：DE69706506D1

公开(公告)日：2001-10-11

申请号：DE69706506

申请日：1997-06-12

Applicant: COGEMA ,  FRAMATOME SA

Inventor： HERTZ DOMINIQUE ,  ROMARY JEAN-MICHEL

IPC: G21C3/07 ,  G21C7/10 ,  G21C7/117 ,  G21C7/24

Abstract: An absorbent pencil of which at least the lower portion contains a neutron absorber consisting of a hafnium metal compound coated with a wear protection layer of oxide or chromium having a thickness of at least 5 mu m.

公开(公告)号：ES2163779T3

公开(公告)日：2002-02-01

申请号：ES97928342

申请日：1997-06-12

Applicant: FRAMATOME SA

Inventor： HERTZ DOMINIQUE ,  ROMARY JEAN-MICHEL

IPC: G21C3/07 ,  G21C7/10 ,  G21C7/117 ,  G21C7/24

Abstract: An absorbent pencil of which at least the lower portion contains a neutron absorber consisting of a hafnium metal compound coated with a wear protection layer of oxide or chromium having a thickness of at least 5 mu m.

公开(公告)号：DE69504103T2

公开(公告)日：1999-04-01

申请号：DE69504103

申请日：1995-12-20

Applicant: FRAMATOME SA ,  COGEMA

Inventor： ROMARY JEAN-MICHEL ,  BONNIAUD MICHEL

IPC: G21C3/326 ,  G21C5/02

Abstract: PCT No. PCT/FR95/01700 Sec. 371 Date Jun. 23, 1997 Sec. 102(e) Date Jun. 23, 1997 PCT Filed Dec. 20, 1995 PCT Pub. No. WO96/20484 PCT Pub. Date Jul. 4, 1996The fuel assembly for a pressurized water reactor comprises rods distributed at the nodes of a square array and containing the fuel material. Some of the rods have a first mass concentration of gadolinium lying in the range 5% to 12%. Four to twelve additional rods (16) contain gadolinium at a concentration lying in the range 0.5% to 2%.

公开(公告)号：ES2120786T3

公开(公告)日：1998-11-01

申请号：ES95943248

申请日：1995-12-20

Applicant: FRAMATOME SA ,  COGEMA

Inventor： ROMARY JEAN-MICHEL ,  BONNIAUD MICHEL

IPC: G21C3/326 ,  G21C5/02

Abstract: PCT No. PCT/FR95/01700 Sec. 371 Date Jun. 23, 1997 Sec. 102(e) Date Jun. 23, 1997 PCT Filed Dec. 20, 1995 PCT Pub. No. WO96/20484 PCT Pub. Date Jul. 4, 1996The fuel assembly for a pressurized water reactor comprises rods distributed at the nodes of a square array and containing the fuel material. Some of the rods have a first mass concentration of gadolinium lying in the range 5% to 12%. Four to twelve additional rods (16) contain gadolinium at a concentration lying in the range 0.5% to 2%.

公开(公告)号：DE69504103D1

公开(公告)日：1998-09-17

申请号：DE69504103

申请日：1995-12-20

Applicant: FRAMATOME SA ,  COGEMA

Inventor： ROMARY JEAN-MICHEL ,  BONNIAUD MICHEL

IPC: G21C3/326 ,  G21C5/02

Abstract: PCT No. PCT/FR95/01700 Sec. 371 Date Jun. 23, 1997 Sec. 102(e) Date Jun. 23, 1997 PCT Filed Dec. 20, 1995 PCT Pub. No. WO96/20484 PCT Pub. Date Jul. 4, 1996The fuel assembly for a pressurized water reactor comprises rods distributed at the nodes of a square array and containing the fuel material. Some of the rods have a first mass concentration of gadolinium lying in the range 5% to 12%. Four to twelve additional rods (16) contain gadolinium at a concentration lying in the range 0.5% to 2%.

公开(公告)号：ZA9510736B

公开(公告)日：1997-06-18

申请号：ZA9510736

申请日：1995-12-18

Applicant: FRAMATOME SA ,  COGEMA

Inventor： ROMARY JEAN-MICHEL ,  BONNIAUD MICHEL

IPC: G21C3/326 ,  G21C5/02 ,  G21C

Abstract: PCT No. PCT/FR95/01700 Sec. 371 Date Jun. 23, 1997 Sec. 102(e) Date Jun. 23, 1997 PCT Filed Dec. 20, 1995 PCT Pub. No. WO96/20484 PCT Pub. Date Jul. 4, 1996The fuel assembly for a pressurized water reactor comprises rods distributed at the nodes of a square array and containing the fuel material. Some of the rods have a first mass concentration of gadolinium lying in the range 5% to 12%. Four to twelve additional rods (16) contain gadolinium at a concentration lying in the range 0.5% to 2%.