Patent classifications
C22C45/04
SOFT MAGNETIC ALLOY AND MAGNETIC COMPONENT
A soft magnetic alloy including an internal area having a soft magnetic type alloy composition including Fe and P (phosphorous), and
a P concentrated area existing closer to a surface side than the internal area and having a higher P concentration than in the internal area.
SOFT MAGNETIC ALLOY AND MAGNETIC COMPONENT
A soft magnetic alloy including an internal area having a soft magnetic type alloy composition including Fe and P (phosphorous), and
a P concentrated area existing closer to a surface side than the internal area and having a higher P concentration than in the internal area.
Bimetallic non-PGM alloys for the electrooxidation of gas fuels in alkaline media
Electrooxidative materials and various method for preparing electrooxidative materials formed from an alloy of oxophilic and electrooxidative metals. The alloy may be formed using methods such as spray pyrolysis or mechanosynthesis and may or may not include a supporting material which may or may not be sacrificial as well as the materials.
Bimetallic non-PGM alloys for the electrooxidation of gas fuels in alkaline media
Electrooxidative materials and various method for preparing electrooxidative materials formed from an alloy of oxophilic and electrooxidative metals. The alloy may be formed using methods such as spray pyrolysis or mechanosynthesis and may or may not include a supporting material which may or may not be sacrificial as well as the materials.
Bulk metallic glass pressure vessels
A pressure vessel containing a main body with at least one opening. The pressure vessel is made from a BMG material. The pressure vessel may contain an additional part such as a neck, a liner, a rib, a lattice, a fin, and a diaphragm. The pressure vessel may be free of a welded joint in entirety. The pressure vessel may contain multiple parts in the main body, each of which is free of a welded joint. The pressure vessel may be made through thermoplastic forming.
Nickel-based brazing foil and process for brazing
A process for producing an amorphous ductile brazing foil is provided. According to one example embodiment, the method includes providing a molten mass, and rapidly solidifying the molten mass on a moving cooling surface with a cooling speed of more than approximately 10.sup.5° C./sec to produce an amorphous ductile brazing foil. A process for joining two or more parts is also provided. The process includes inserting a brazing foil between two or more parts to be joined, wherein the parts to be joined have a higher melting temperature than that the brazing foil to form a solder joint and the brazing foil comprises an amorphous, ductile Ni-based brazing foil; heating the solder joint to a temperature above the liquidus temperature of the brazing foil to form a heated solder joint; and cooling the heated solder joint, thereby forming a brazed joint between the parts to be joined.
Nickel-based brazing foil and process for brazing
A process for producing an amorphous ductile brazing foil is provided. According to one example embodiment, the method includes providing a molten mass, and rapidly solidifying the molten mass on a moving cooling surface with a cooling speed of more than approximately 10.sup.5° C./sec to produce an amorphous ductile brazing foil. A process for joining two or more parts is also provided. The process includes inserting a brazing foil between two or more parts to be joined, wherein the parts to be joined have a higher melting temperature than that the brazing foil to form a solder joint and the brazing foil comprises an amorphous, ductile Ni-based brazing foil; heating the solder joint to a temperature above the liquidus temperature of the brazing foil to form a heated solder joint; and cooling the heated solder joint, thereby forming a brazed joint between the parts to be joined.
BORON-BASED AMORPHOUS ALLOYS AND PREPARATION METHOD THEREOF
Boron-based amorphous alloys and a preparation method thereof is provided. The composition formula of the alloys is B.sub.aCo.sub.bRE.sub.cX1.sub.dX2.sub.eX3.sub.f, wherein RE is any one or more of La, Ce, Pr, Nd, Sm, Gd, Dy, Er and Y; X1 is any one or more of C, Si and Al; X2 is any one or two of Fe and Ni; X3 is any one or more of Zr, Nb, Mo, Hf, Ta and W; and a, b, c, d, e and f respectively represent atomic percent of each corresponding element in the formula, where: 45≤a≤55, 25≤b≤40, 10≤c≤20, 0≤d≤10, 45≤a+d≤55, 0≤e≤20, 25≤b+e≤40, 0≤f≤3, 10≤c+f≤20 and a+b+c+d+e+f=100. The preparation method of the boron-based amorphous alloy comprises: preparing master alloy ingots using an arc furnace or an induction melting furnace; and then obtaining amorphous ribbons with different thicknesses by a single copper roller melt-spinning equipment.
Soft magnetic material and method for producing the same
There are provided a soft magnetic material having a high saturation magnetization and a low coercive force and excellent in thermal endurance, and a method for producing the same. The present disclosure relates to a soft magnetic material represented by the following composition formula: Fe.sub.100-x-yB.sub.xNi.sub.y, wherein x satisfies 10≤x≤16 in at %, and y satisfies 0<y≤4 in at %, having a coercive force of 20 A/m or less, and having a coercive force characteristic decrease rate after a thermal endurance test {[(coercive force after thermal endurance test−coercive force before thermal endurance test)/coercive force before thermal endurance test]×100 (%)} of 20% or less, wherein the thermal endurance test is carried out by allowing the soft magnetic material to stand in a constant temperature oven at 170° C. in the air for 100 h, and a method for producing the same.
Soft magnetic material and method for producing the same
There are provided a soft magnetic material having a high saturation magnetization and a low coercive force and excellent in thermal endurance, and a method for producing the same. The present disclosure relates to a soft magnetic material represented by the following composition formula: Fe.sub.100-x-yB.sub.xNi.sub.y, wherein x satisfies 10≤x≤16 in at %, and y satisfies 0<y≤4 in at %, having a coercive force of 20 A/m or less, and having a coercive force characteristic decrease rate after a thermal endurance test {[(coercive force after thermal endurance test−coercive force before thermal endurance test)/coercive force before thermal endurance test]×100 (%)} of 20% or less, wherein the thermal endurance test is carried out by allowing the soft magnetic material to stand in a constant temperature oven at 170° C. in the air for 100 h, and a method for producing the same.