Michael S Floyd

US Patent:

20140076467, Mar 20, 2014

Filed:

Sep 17, 2013

Appl. No.:

14/029719

Inventors:

Michael Floyd - Pasadena CA, US
Glenn Garrett - Pasadena CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US

Assignee:

Glassimetal Technology Inc. - Pasadena CA

International Classification:

C22C 45/04

US Classification:

148555, 148403, 420442, 420443, 420444, 420452

Abstract:

Nickel based alloys capable of forming bulk metallic glass are provided. The alloys include Ni—Cr—Si—B compositions, with additions of P and Mo, and are capable of forming a metallic glass rod having a diameter of at least 1 mm. In one example of the present disclosure, the Ni—Cr—Mo—Si—B—P composition includes about 4.5 to 5 atomic percent of Cr, about 0.5 to 1 atomic percent of Mo, about 5.75 atomic percent of Si, about 11.75 atomic percent of B, about 5 atomic percent of P, and the balance is Ni, and wherein the critical metallic glass rod diameter is between 2.5 and 3 mm and the notch toughness between 55 and 65 MPa m.

US Patent:

20150159242, Jun 11, 2015

Filed:

Dec 9, 2014

Appl. No.:

14/565219

Inventors:

- Pasadena CA, US
Michael Floyd - Pasadena CA, US
Danielle Duggins - Garden Grove CA, US
Glenn Garrett - Pasadena CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US

International Classification:

C22C 19/05
C22C 45/04
C22C 1/00

Abstract:

The disclosure is directed to Ni—Cr—P eutectic alloys bearing Nb as substitution for Cr that are capable of forming metallic glasses with critical rod diameter of at least 1 mm or more. With further minority addition of Si as replacement for P, such alloys are capable of forming metallic glasses with critical rod diameters as high as 10 mm or more. Specifically, Ni-based compositions with a Cr content of between 5 and 14 atomic percent, Nb content of between 3 and 4 atomic percent, P content of between 17.5 and 19 atomic percent, and Si content of between 1 and 2 atomic percent, were capable of forming bulk metallic glass rods with diameters as large as 6 mm or larger.

US Patent:

20150159248, Jun 11, 2015

Filed:

Dec 9, 2014

Appl. No.:

14/565211

Inventors:

- Pasadena CA, US
Michael Floyd - Pasadena CA, US
Danielle Duggins - Garden Grove CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US

International Classification:

C22C 45/04
C22C 19/05
C22F 1/10
C22C 1/00

Abstract:

The disclosure is directed to Ni-based glass-forming alloys bearing Cr and P, wherein the Cr atomic concentration is greater than 7 percent and the P atomic concentration is greater than 12 percent, and methods of fluxing such alloys such that their glass-forming ability is enhanced with respect to the glass-forming ability associated with their unfluxed state.

US Patent:

20150096652, Apr 9, 2015

Filed:

Jan 7, 2014

Appl. No.:

14/149035

Inventors:

- Pasadena CA, US
Michael Floyd - Pasadena CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US
Glenn Garrett - Pasadena CA, US
Maximilien Launey - Pasadena CA, US

Assignee:

Glassimetal Technology, Inc. - Pasadena CA

International Classification:

C22C 45/00
C22F 1/10

US Classification:

148538, 148403, 420 98, 420 97, 420452, 420459

Abstract:

Ni—Fe—Si—B and Ni—Fe—Si—B—P metallic glass forming alloys and metallic glasses are provided. Metallic glass rods with diameters of at least one, up to three millimeters, or more can be formed from the disclosed alloys. The disclosed metallic glasses demonstrate high yield strength combined with high corrosion resistance, while for a relatively high Fe contents the metallic glasses are ferromagnetic.

US Patent:

20150047755, Feb 19, 2015

Filed:

Aug 12, 2014

Appl. No.:

14/458091

Inventors:

- Pasadena CA, US
Danielle Duggins - Garden Grove CA, US
Michael Floyd - Pasadena CA, US
Glenn Garrett - Pasadena CA, US
Maximilien Launey - Pasadena CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US

International Classification:

C22F 1/00
C22C 1/02
C22C 1/00
C22C 19/03
C22F 1/10

US Classification:

148555, 148403

Abstract:

The present disclosure is directed to Ni—P—B alloys and glasses containing small fractions of Nb and Ta and optionally Mn. Over a specific range, the alloys are capable of forming bulk metallic glasses having critical casting thickness in excess of 1 mm. In one embodiment, compositions with a Mn content of between 3 and 4 atomic percent, Nb content of about 3 atomic percent, B content of about 3 atomic percent, and P content of about 16.5 atomic percent, where the balance in Ni, were capable of forming bulk metallic glass rods with diameters as large as 5 mm or larger. In another embodiment, Ni-based compositions with a Mn content of between 5 and 7 atomic percent, Ta content of between 1 and 2 atomic percent, B content of about 3 atomic percent, and P content of about 16.5 atomic percent, where the balance in Ni, were capable of forming bulk metallic glass rods with diameters as large as 5 mm or larger.

US Patent:

20150050181, Feb 19, 2015

Filed:

Aug 12, 2014

Appl. No.:

14/457821

Inventors:

- Pasadena CA, US
Michael Floyd - Pasadena CA, US
Danielle Duggins - Garden Grove CA, US
David S. Lee - Wenham MA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US

International Classification:

C22C 45/04
C22B 9/10
C22B 23/06
C22F 1/10

US Classification:

420441, 75628, 148555, 148403

Abstract:

A fluxing method is disclosed by which the melt of aluminum-contaminated Ni-based glass-forming alloys is fluxed using a fluxing agent based on boron and oxygen in order to reverse the adverse effects of aluminum impurities on the glass-forming ability and toughness.

US Patent:

20150020929, Jan 22, 2015

Filed:

Jul 18, 2014

Appl. No.:

14/335163

Inventors:

- Pasadena CA, US
Michael Floyd - Pasadena CA, US
Glenn Garrett - Pasadena CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US

International Classification:

C22C 45/02
C22C 38/00
C22C 38/44
C22C 33/00
C22C 38/54

US Classification:

148548, 148403, 420 87

Abstract:

The present disclosure provides specified ranges in the Fe—Mo—Ni—Cr—P—C—B alloys such that the alloys are capable of forming bulk glasses having unexpectedly high glass-forming ability. The critical rod diameter of the disclosed alloys is at least 10 mm.

US Patent:

20140345755, Nov 27, 2014

Filed:

Oct 30, 2013

Appl. No.:

14/067521

Inventors:

- Pasadena CA, US
Michael Floyd - Pasadena CA, US
Marios D. Demetriou - West Hollywood CA, US
William L. Johnson - San Marino CA, US
Glenn Garrett - Pasadena CA, US
Maximilien Launey - Pasadena CA, US

Assignee:

Glassimetal Technology, Inc. - Pasadena CA

International Classification:

C22C 45/04

US Classification:

148555, 420442, 148403

Abstract:

A Ni-based bulk metallic glass forming alloy is provided. The alloy includes NiCrNbPB, where an atomic percent of chromium (Cr) a ranges from 3 to 13, an atomic percent of niobium (Nb) b is determined by x−y*a, where x ranges from 3.8 to 4.2 and y ranges from 0.11 to 0.14, an atomic percent of phosphorus (P) c ranges from 16.25 to 17, an atomic percent of boron (B) d ranges from 2.75 to 3.5, and the balance is nickel (Ni), and where the alloy is capable of forming a metallic glass object having a lateral dimension of at least 6 mm, where the metallic glass has a stress intensity factor at crack initiation when measured on a 3 mm diameter rod containing a notch with length between 1 and 2 mm and root radius between 0.1 and 0.15 mm, the stress intensity factor being at least 70 MPa m.