Semisolid metal injection molding machine components
First Claim
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1. A semi-solid injection molding machine, comprising:
- a plurality of components defining a flowpath through the machine for a feedstock, at least one of the plurality of components being constructed of a martensitic Maraging steel alloy material Including Cr, Co, Mo, and about 0.15% or less by weight C.
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Abstract
The present invention provides an alloy for components of semi-solid injection molding machinery. In particular, the alloy is a intermetallic-hardened steel, known as a Maraging steel alloy. The Maraging steel alloy includes Cr, Co, Mo, and about 0.15% or less by weight C.
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Citations
25 Claims
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1. A semi-solid injection molding machine, comprising:
a plurality of components defining a flowpath through the machine for a feedstock, at least one of the plurality of components being constructed of a martensitic Maraging steel alloy material Including Cr, Co, Mo, and about 0.15% or less by weight C. - View Dependent Claims (2, 3, 4, 5, 8, 9, 10, 18, 19, 20, 21, 22, 23, 24)
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6. A semi-solid injection molding machine, comprising:
a plurality of components defining a flowpath through the machine for a feedstock, at least one of the plurality of components being constructed of a martensitic Maraging steel alloy material including Cr, Co, Mo, and about 0.15% or less by weight C. wherein the Maraging steel alloy includes Mo in the range of about 2.9 and about 6% by weight Mo. - View Dependent Claims (7)
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11. A semi-solid injection molding machine comprising:
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a barrel which receives feedstock and heats the feedstock;
a nozzle from which feedstock in a semi-solid state is ejected;
means for advancing the feedstock within the barrel;
means for subjecting the feedstock to shear;
means for ejecting feedstock from the nozzle;
wherein one of barrel, nozzle, means for advancing, means for subjecting, and means for ejecting are constructed of a martensitic Maraging steel alloy material including Cr, Co, Mo, and about 0.15% or less by weight C. - View Dependent Claims (12, 13, 14, 15)
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16. A semi-solid injection molding machine comprising:
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a barrel which receives feedstock and heats the feedstock;
a nozzle from which feedstock in a semi-solid state is ejected;
means for advancing the feedstock within the barrel;
means for subjecting the feedstock to shear;
means for ejecting feedstock from the nozzle;
wherein one of barrel, nozzle, means for advancing, means for subjecting, and means for ejecting are constructed of a martensitic Maraging steel alloy material including Cr, Co, Mo, and about 0.15% or less bv weight C wherein the Maraging steel alloy includes Mo in the range of about 2.9 and about 6% by weight. - View Dependent Claims (17)
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25. A semi-solid injection molding machine comprising;
a plurality of components defining a flowpath through the machine for a feedstock, at least one of the plurality of components being constructed of a martensitic Maraging steel alloy material including Cr, Co, Mo, about 0.15% or less by weight C and about 8% or less by weight Ni.
Specification