Enhancing the Strength of Al-B4C Composites to a High Degree by Mg Addition
AssigneeThe Government of the United States of America, as represented by the Secretary of the Navy
InventorsRamasis Goswami, Syed B. Qadri
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Abstract
A method of making an Al—B4C composite with Mg addition comprising providing a first mixture of B4C, Al and Mg powder, producing a powder mixture, adding Mg to the powder mixture, forming pellets, creating a composite, annealing the composite, and forming an Al—Mg—B4C composite. An Al—B4C composite with Mg addition comprising Al, Mg comprising 4 wt. %, and B4C comprising 8 wt. %. An Al—B4C composite with Mg addition made from the steps comprising providing a first mixture of B4C, Al and Mg powder, producing a powder mixture, adding Mg to the powder mixture, forming pellets, creating a composite, annealing the composite, and forming an Al—Mg—B4C composite.
Claims12
A method of making an Al—B4C composite with Mg addition, comprising:
- providing a first mixture of B4C, Al and Mg powder;
- mixing the first mixture of B4C, Al and Mg powder;
- producing a powder mixture;
- adding Mg to the powder mixture;
- forming pellets from the powder mixture;
- maintaining the pellets at 615° C. for 30 minutes under Ar atmosphere;
- deforming the pellets at 600° C. for 30 min;
- creating a composite;
- annealing the composite at 630° C. for 4 hours under dynamic Ar atmosphere;
- and
- forming an Al—Mg—B4C composite.
An Al—B4C composite with Mg addition, comprising:
- Al;
- Mg comprising 4 wt. %;
- and
- B4C comprising 8 wt. %.
An Al—B4C composite with Mg addition made from the steps comprising:
- providing a first mixture of B4C, Al and Mg powder;
- mixing the first mixture of B4C, Al and Mg powder;
- producing a powder mixture;
- adding Mg to the powder mixture;
- forming pellets from the powder mixture;
- maintaining the pellets at 615° C. for 30 minutes under Ar atmosphere;
- deforming the pellets at 600° C. for 30 min;
- creating a composite;
- annealing the composite at 630° C. for 4 hours under dynamic Ar atmosphere;
- and
- forming an Al—Mg—B4C composite.
Dependencies are inferred from the claim text.