公开(公告)号：AU706035B2

公开(公告)日：1999-06-10

申请号：AU6885696

申请日：1996-09-09

Applicant: MINTEK

Inventor： LEVEY FIONA CATHERINE ,  CORTIE MICHAEL BERNARD ,  BARKER IAN JAMES

IPC: B22F9/08 ,  C21B3/08

Abstract: Metal lumps or pebbles are produced by introducing a molten metal stream into a stream of water in a direction which is substantially the same as the direction of the water stream and at a velocity which is substantially the same or slightly less than the velocity of the water stream.

公开(公告)号：AU675023B2

公开(公告)日：1997-01-16

申请号：AU8169794

申请日：1994-12-21

Applicant: MINTEK

Inventor： STEYN HERMANUS DE VILLIERS ,  WOLFF IRA MERVYN ,  COETZEE RUDOLPH ,  CORTIE MICHAEL BERNARD

IPC: H01T13/20 ,  H01T13/39

Abstract: A spark plug or other spark igniter is provided in which at least an operative part of one, both or all electrodes thereof is made of a material including an intermetallic compound having a melting point above 1400 DEG C and chosen to exhibit adequate toughness, resistance to thermal shock, and electrical conductivity. The intermetallic compound may form one phase of a multi-phase material. Ruthenium aluminide is disclosed as a preferred intermetallic compound.

公开(公告)号：NO980993D0

公开(公告)日：1998-03-06

申请号：NO980993

申请日：1998-03-06

Applicant: MINTEK

Inventor： LEVEY FIONA CATHERINE ,  CORTIE MICHAEL BERNARD ,  BARKER IAN JAMES

IPC: B22F9/08 ,  C21B3/08 ,  B22F

Abstract: Metal lumps or pebbles are produced by introducing a molten metal stream into a stream of water in a direction which is substantially the same as the direction of the water stream and at a velocity which is substantially the same or slightly less than the velocity of the water stream.

公开(公告)号：ZA959976B

公开(公告)日：1997-05-23

申请号：ZA959976

申请日：1995-11-23

Applicant: MINTEK A LEGAL BODY ORGANISED

Inventor： CORTIE MICHAEL BERNARD

IPC: C22C20060101 ,  C22C

公开(公告)号：AU6885696A

公开(公告)日：1997-03-27

申请号：AU6885696

申请日：1996-09-09

Applicant: MINTEK

Inventor： LEVEY FIONA CATHERINE ,  CORTIE MICHAEL BERNARD ,  BARKER IAN JAMES

IPC: B22F9/08 ,  C21B3/08

Abstract: Metal lumps or pebbles are produced by introducing a molten metal stream into a stream of water in a direction which is substantially the same as the direction of the water stream and at a velocity which is substantially the same or slightly less than the velocity of the water stream.

公开(公告)号：CA2230673A1

公开(公告)日：1997-03-13

申请号：CA2230673

申请日：1996-09-09

Applicant: MINTEK

Inventor： LEVEY FIONA CATHERINE ,  CORTIE MICHAEL BERNARD ,  BARKER IAN JAMES

IPC: B22F9/08 ,  C21B3/08

Abstract: Metal lumps or pebbles are produced by introducing a molten metal (10) strea m into a stream of water (18) in a direction which is substantially the same a s the direction of the water stream and at a velocity which is substantially t he same or slightly less than the velocity of the water stream.

公开(公告)号：ZA9607533B

公开(公告)日：1997-03-10

申请号：ZA9607533

申请日：1996-09-06

Applicant: MINTEK

Inventor： LEVEY FIONA CATHERINE ,  CORTIE MICHAEL BERNARD ,  BARKER IAN JAMES

IPC: B22D20060101 ,  B22F20060101 ,  B22D ,  B22F

公开(公告)号：ZA9410180B

公开(公告)日：1995-08-29

申请号：ZA9410180

申请日：1994-12-21

Applicant: MINTEK

Inventor： STEYN HERMANUS DE VILLIERS ,  WOLFF IRA MERVYN ,  COETZEE RUDOLPH ,  CORTIE MICHAEL BERNARD

IPC: H01T13/20 ,  H01T13/39 ,  H01T

Abstract: A spark plug or other spark igniter is provided in which at least an operative part of one, both or all electrodes thereof is made of a material including an intermetallic compound having a melting point above 1400 DEG C and chosen to exhibit adequate toughness, resistance to thermal shock, and electrical conductivity. The intermetallic compound may form one phase of a multi-phase material. Ruthenium aluminide is disclosed as a preferred intermetallic compound.

公开(公告)号：BR9405233A

公开(公告)日：1995-08-01

申请号：BR9405233

申请日：1994-12-23

Applicant: MINTEK

Inventor： DE VILLIERS STEYN HERMANUS ,  MERVYN WOLFF IRA ,  COETZEE RUDOLPH ,  CORTIE MICHAEL BERNARD

IPC: H01T13/20 ,  H01T13/39

Abstract: A spark plug or other spark igniter is provided in which at least an operative part of one, both or all electrodes thereof is made of a material including an intermetallic compound having a melting point above 1400 DEG C and chosen to exhibit adequate toughness, resistance to thermal shock, and electrical conductivity. The intermetallic compound may form one phase of a multi-phase material. Ruthenium aluminide is disclosed as a preferred intermetallic compound.

公开(公告)号：ZA932674B

公开(公告)日：1995-03-16

申请号：ZA932674

申请日：1993-04-16

Applicant: MINTEK

Inventor： WOLFF IRA MERVYN ,  CORTIE MICHAEL BERNARD

IPC: A44C20060101 ,  B44C1/00 ,  C22F20060101 ,  C22F1/08 ,  C22F1/14 ,  A44C ,  C22F

Abstract: A method of enhancing the appearance of a polished surface of an artifact is provided in which the artifact is formed from a non-ferrous alloy, in particular, but not exclusively, a precious metal alloy, chosen to exhibit a martensitic and a parent phase structure. The surface, or relevant part thereof, is polished in one of the phases, usually the parent phase, followed by heat treatment to effect a phase transformation, generally to the martensitic phase. This phase change causes a visible surface effect to the polished surface which may be described as a spangle effect.