C22C18/02

STEEL STRIP HAVING HIGH STRENGTH AND HIGH FORMABILITY, THE STEEL STRIP HAVING A HOT DIP ZINC BASED COATING

A steel strip having a hot dip zinc based coating, the steel strip having the following composition, in weight %: C: 0.17-0.24 Mn: 1.8-2.5 Si: 0.65-1.25 Al: 0.3 optionally: Nb: 0.1 and/or V: 0.3 and/or Ti: 0.15 and/or Cr: 0.5 and/or Mo: 0.3, the remainder being iron and unavoidable impurities;
with a Si/Mn ratio 0.5 and a Si/C ratio 3.0, with an Mn equivalent ME of at most 3.5, wherein ME=Mn+Cr+2 Mo (in wt. %); having a microstructure with (in vol. %): ferrite: 0-40, bainite: 20-70, martensite: 7-30, retained austenite: 5-20, pearlite: 2, cementite: 1; having a tensile strength in the range of 960-1100 MPa, a yield strength of at least 500 MPa, and a uniform elongation of at least 12%.

STEEL STRIP HAVING HIGH STRENGTH AND HIGH FORMABILITY, THE STEEL STRIP HAVING A HOT DIP ZINC BASED COATING

A steel strip having a hot dip zinc based coating, the steel strip having the following composition, in weight %: C: 0.17-0.24 Mn: 1.8-2.5 Si: 0.65-1.25 Al: 0.3 optionally: Nb: 0.1 and/or V: 0.3 and/or Ti: 0.15 and/or Cr: 0.5 and/or Mo: 0.3, the remainder being iron and unavoidable impurities;
with a Si/Mn ratio 0.5 and a Si/C ratio 3.0, with an Mn equivalent ME of at most 3.5, wherein ME=Mn+Cr+2 Mo (in wt. %); having a microstructure with (in vol. %): ferrite: 0-40, bainite: 20-70, martensite: 7-30, retained austenite: 5-20, pearlite: 2, cementite: 1; having a tensile strength in the range of 960-1100 MPa, a yield strength of at least 500 MPa, and a uniform elongation of at least 12%.

MATERIALS FOR NEAR FIELD TRANSDUCERS, NEAR FIELD TRANDUCERS CONTAINING SAME, AND METHODS OF FORMING

A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium (Er), ytterbium (Yb), promethium (Pm), neodymium (Nd cobalt (Co), cerium (Ce), lanthanum (La), praseodymium (Pr), or combinations thereof.

CuSn, CuZn AND Cu2ZnSn SPUTTER TARGETS
20170062193 · 2017-03-02 ·

The invention claims a three dimensional sputter target comprising CuZnSn material, CuZn material or CuSn material. Exemplary has a CuZnSn material a Cu content ranging from 40 atomic percent to 60 atomic percent; a Zn content ranging from 20 atomic percent to 30 atomic percent; and a Sn content ranging from 20 atomic percent to 30 atomic percent, wherein the three dimensional sputter target has at least one principal axis dimension greater than 500 mm and the CuZnSn material has a grain size ranging from 0.005 mm to 5 mm. Additional to that claims the invention a method of producing the three dimensional sputter target.

High-strength steel sheet and method for producing same

A high-strength steel sheet comprises: a chemical composition containing C, Si, Mn, P, S, Al, N, Mo, Cr, Ca, and Sb with a balance consisting of Fe and inevitable impurities, wherein [% Si], [% Mn], [% P], [% Mo], and [% Cr] satisfy a predetermined relationship; a steel microstructure that contains ferrite, hard phase, and retained austenite and in which a carbon concentration in the retained austenite is 0.55% or more and 1.10% or less, an amount of diffusible hydrogen in the steel sheet is 0.80 mass ppm or less, a surface layer softening thickness is 5 m or more and 150 m or less, and a corresponding grain boundary frequency in a surface layer of the steel sheet after a high-temperature tensile test is 0.45 or less; and a tensile strength of 980 MPa or more.

Hot-rolled steel sheet and method for producing same

A hot rolled steel sheet has a chemical composition including, by mass %, C: 0.060% to 0.120%; Si: 0.10% to 0.70%; Mn: 1.00% to 1.80%; P: 0.10% or less; S: 0.010% or less; Al: 0.01% to 0.10%; N: 0.010% or less; Nb: 0.010% to 0.100%, wherein Nb is contained so that content of solute Nb is 5% or more relative to the total Nb content; the balance being Fe and incidental impurities. The hot rolled steel sheet has a microstructure containing ferrite of not more than 15 m in average crystal grain diameter by a volume fraction of not less than 75%, the balance being low-temperature-induced phases. The hot rolled steel sheet can be suitably utilized for manufacturing a cold rolled steel sheet or hot-dip galvanized steel sheet having a tensile strength of 590 MPa or more, excellent in material homogeneity and capable of giving excellent cold rolling property.

Hot-rolled steel sheet and method for producing same

A hot rolled steel sheet has a chemical composition including, by mass %, C: 0.060% to 0.120%; Si: 0.10% to 0.70%; Mn: 1.00% to 1.80%; P: 0.10% or less; S: 0.010% or less; Al: 0.01% to 0.10%; N: 0.010% or less; Nb: 0.010% to 0.100%, wherein Nb is contained so that content of solute Nb is 5% or more relative to the total Nb content; the balance being Fe and incidental impurities. The hot rolled steel sheet has a microstructure containing ferrite of not more than 15 m in average crystal grain diameter by a volume fraction of not less than 75%, the balance being low-temperature-induced phases. The hot rolled steel sheet can be suitably utilized for manufacturing a cold rolled steel sheet or hot-dip galvanized steel sheet having a tensile strength of 590 MPa or more, excellent in material homogeneity and capable of giving excellent cold rolling property.

Method for Preparing Porous Metal Material and Application Thereof
20170043399 · 2017-02-16 ·

A method for preparing a porous metal material comprises: in a vacuum environment, volatilizing one or more volatile alloy elements in an alloy, so as to finally form a porous pure metal or a porous alloy. The process method can be widely applied in the fields such as aeronautics and astronautics, atomic energy, electrochemistry, petrochemical industry, metallurgy, machinery, medicines, environmental protection or construction.

Method for Preparing Porous Metal Material and Application Thereof
20170043399 · 2017-02-16 ·

A method for preparing a porous metal material comprises: in a vacuum environment, volatilizing one or more volatile alloy elements in an alloy, so as to finally form a porous pure metal or a porous alloy. The process method can be widely applied in the fields such as aeronautics and astronautics, atomic energy, electrochemistry, petrochemical industry, metallurgy, machinery, medicines, environmental protection or construction.

KIND OF ABSORBABLE HIGH STRENGTH AND TOUGHNESS CORROSION-RESISTANT ZINC ALLOY IMPLANT MATERIAL FOR HUMAN BODY

A kind of absorbable high strength & toughness corrosion-resistant zinc alloy implant material for human body, the elemental constituent and quality percent: Ce0.001%-2%, Mg0.001%-2%, Ca0.001%-2%, Cu0.01%-3%, others are Zn. Above-mentioned zinc alloy material is prepared as absorbable medical implant by using conventional method in this field, especially for intravascular stent, orthopedic implants (bone nail or plate etc.). Zinc alloy material created by this invention has high corrosion-resistant and high strength & toughness, the medical implant prepared by this can be absorbed by the body without side effects.