Abstract: Provided are a titanium sheet which combines strength with formability and a plate for plate heat exchangers which was obtained from the titanium sheet. The titanium sheet has a crystal grain structure which comprises an ? phase, and is characterized by containing 0.020-0.150 mass % Fe, 0.020-0.150 mass % O, and 0.002-0.100 mass % C, with the remainder comprising titanium and unavoidable impurities. The sheet is further characterized in that the sum of the contents (mass %) of the Fe and the C is at least 0.80 times the content (mass %) of the O and the concentration of C in the grain boundaries is 1.0 mass % or higher.

Abstract: Disclosed is a 7xxx-series aluminum alloy sheet having a specific chemical composition and produced by a common procedure. The aluminum alloy sheet has a good balance between a Zn content and a Mg content while having a lower Zn content so as to have a strength retained at high level. The aluminum alloy sheet has a microstructure having a specific endothermic peak temperature and a specific maximum height of exothermic peak(s) in a differential scanning calorimetric curve, where the curve is plotted after natural aging of the produced sheet. The aluminum alloy sheet can thereby have a high strength, satisfactory formability, and good corrosion resistance which are required for structural components.

Abstract: A 6000-series aluminum alloy plate, which is obtained by introducing a minor amount of Sn into a 6000-series aluminum alloy plate that has a specific Mg and Si composition, and controlling the tissue of the plate on the basis of the tissue thereof under a specific heat treatment, shows an improved hem bendability even after aging for a long period of time at room temperature, as a characteristic after the natural aging, and increases the bake hardenability (BH response) in baking finishing a molded automobile panel.

Abstract: The aluminum alloy sheet of the present invention is a specific 6000-series aluminum alloy sheet in which the total sum (total amount) of Mg and Si existing in specific aggregates of atoms (clusters) is regulated and the total sum of Mg and Si existing in the aggregates of atoms is ensured so as to be balanced with the total amount of Mg and Si solid-solutionized in the matrix, and thus BH response (bake hardenability) after natural aging at room temperature and proof strength after BH treatment (bake hardening treatment) are further improved.

Abstract: Provided is an Al—Mg alloy plate for molding, having excellent press formability, little stretcher strain (SS) mark generation, and not generating any new issues such as reduced bending properties as a result of age-hardening at room temperature, whilst using more accurate and simple structural indicators. As a result, the Al—Mg aluminum alloy plate comprising a specific composition including Cu has a plate structure having an average particle diameter of 0.5-6.0 nm in a minute particle (cluster) particle distribution measured using an X-ray scattering method, controls the volume fraction to at least 0.03%, is unlikely to have serration, and suppresses SS mark generation during press forming.

Abstract: Provided is a 7000-series aluminum alloy sheet that is for an automobile part and that is provided with both strength and stress corrosion cracking resistance. The cold-rolling rate and solution treatment conditions are controlled of an Al—Zn—Mg alloy sheet having a specific composition and produced by means of a conventional method. Also, the structure has a low average crystal size, an average fraction of low-angle grain boundaries at an inclination angle of 5-15° of at least 15%, and an average fraction of high-angle grain boundaries at an inclination angle exceeding 15° of 15-50%. Alternatively, there is a specific aggregate structure having a low average crystal size, and a total area ratio of the specific orientation of the Brass orientation, S orientation, Cu orientation, and the like of at least a set amount.

Abstract: There are provided an aluminum-alloy clad sheet and a clad sheet subjected to heating equivalent to brazing, which each have a high strength and an excellent erosion resistance and thus allow a reduction in thickness of a clad sheet subjected to heating equivalent to brazing such as an aluminum alloy radiator tube, and/or of a clad sheet such as an aluminum-alloy brazing sheet. An aluminum-alloy clad sheet or a clad sheet subjected to heating equivalent to brazing includes at least a core aluminum alloy sheet and an aluminum-alloy sacrificial anti-corrosive material cladded with each other, and is to be formed into a heat exchanger by brazing. The core aluminum alloy sheet includes a specified 3000 series composition.

Abstract: This aluminum alloy sheet is a 6000-series aluminum alloy sheet of a specific composition which, after rolling, has undergone solution hardening and reheating as tempering treatments. The aluminum alloy sheet in differential scanning calorimetry gives a curve in which the exothermic-peak heights A, B, and C in respective specific temperature ranges have relationships within specific given ranges to thereby raise the increase in 0.2% proof stress through low-temperature short-time artificial age-hardening to 100 MPa or more.

Abstract: Disclosed is a copper alloy containing 1.0% to 3.6% of Ni, 0.2% to 1.0% of Si, 0.05% to 3.0% of Sn, 0.05% to 3.0% of Zn, with the remainder including copper and inevitable impurities. The copper alloy has an average grain size of 25 pm or less and has a texture having an average area percentage of cube orientation of 20% to 60% and an average total area percentage of brass orientation, S orientation and copper orientation of 20% to 50%. The copper alloy has a KAM value of 0.8 to 3.0 and does not suffer from cracking even when subjected to U-bending. The copper alloy has excellent balance between strengths (particularly yield strength in a direction perpendicular to the rolling direction) and bending workability.

Abstract: This aluminum alloy sheet has increased BH properties under low-temperature short-time-period conditions after long-term room-temperature aging by means of causing aggregates of specific atoms to be contained having a large effect in BH properties, the distance between atoms being no greater than a set distance, and containing either Mg atoms or Si atoms measured by 3D atom probe field ion microscopy in a 6000 aluminum alloy sheet containing a specific amount of Mg and Si.

Abstract: Film-formation rate can be increased in the pre-sputtering and in the subsequent sputtering onto a substrate or the like, and sputtering failures such as splashes can be inhibited, by making an Al-based alloy or Cu-based alloy spurting target fulfill the following requirements (1) and/or (2) when the total area ratio of crystal orientations <001>±15°, <011>±15°, <111>±15°, <112>±15°, and <012>±15° in the sputtering surface normal direction in the depth within 1 mm from the uppermost surface of the sputtering target is referred to as a P value: (1) the area ratio PA of <011>±15° to the P value: 40% or lower; and (2) the total area ratio PB of <001>±15° and <111>±15° to the P value: 20% or higher.

Abstract: There is provided an Al-based alloy sputtering target, which can provide an enhanced deposition rate (or sputtering rate) when the sputtering target is used, and which can preferably prevent the occurrence of splashes. The Al-based alloy sputtering target of the present invention includes Ta and may preferably include an Al—Ta-based intermetallic compound containing Al and Ta, which compound has a mean particle diameter of from 0.005 ?m to 1.0 ?m and a mean interparticle distance of from 0.01 ?m to 10.0 ?m.

Abstract: Provided is a joint product of a steel product and an aluminum material, the joint product being formed by joining the steel product having a sheet thickness t1 of 0.3 to 3.0 mm with the aluminum material having a sheet thickness t2 of 0.5 to 4.0 mm by spot welding, wherein a nugget area in a joint part is from 20×t20.5 to 100×t20.5 mm2, an area of a portion where a thickness of an interface reaction layer is from 0.5 to 3 ?m is 10×t20.5 mm2 or more, and a difference between the thickness of the interface reaction layer at a joint part center and the thickness of the interface reaction layer at a point distant from the joint part center by a distance of one-fourth of a joint diameter is 5 ?m or less, and wherein the aluminum material is pure aluminum or an aluminum alloy material.

Abstract: The present invention provides an Al—Mg series alloy sheet of high-Mg with improved press formability and homogeneity which can be applied to automobile outer panels and inner panels. This is an Al—Mg series aluminum alloy sheet having 0.5 to 3 mm in thickness cast by twin-roll continuous casting and cold rolled, comprising over 8% but not more than 14% Mg, 1.0% or less Fe, and 0.5% or less Si with the remainder being Al and unavoidable impurities wherein the mean conductivity of the aluminum alloy sheet is in the range of at least 20 IACS % but less than 26 IACS %, the strength-ductility balance (tensile strength×total elongation) as a material property of the aluminum alloy sheet is 11000 (MPa %) or more, and the homogeneity and press formability of the sheet have been improved.

Abstract: Provided is a multi-layered sheet which has undergone heating corresponding to brazing, such as an aluminum-alloy radiator tube, or a multi-layered sheet such as an aluminum-alloy brazing sheet. The multi-layered sheet can have a reduced thickness and has excellent fatigue properties. The multi-layered sheet of aluminum alloys comprises a core layer (2) which has been clad at least with a sacrificial layer (3). This multi-layered sheet is a multi-layered sheet to be subjected to brazing or welding to produce a heat exchanger or is a multi-layered sheet which has undergone heating corresponding to brazing. The core layer (2) comprises a specific 3000-series composition. In this core layer (2), the average density in number of dispersed particles having a specific size has been regulated. As a result, fatigue properties, which govern cracking, can be highly improved.

Abstract: The present invention provides a technique capable of suppressing generation of splash even at high-speed deposition by an Al-based alloy sputtering target containing Ni and a rare earth element, wherein when crystallographic orientations <001>, <011>, <111>, <012> and <112> in a normal direction of each sputtering surface at a surface part of the Al-based alloy sputtering target, a ¼×t (t: thickness of the Al-based alloy sputtering target) part thereof and a ½×t part thereof are observed by an electron backscatter diffraction pattern method, the Al-based alloy sputtering target satisfies the requirement (1) that, when a total of area fractions of the <001>±15°, <011>±15° and <112>±15° is defined as R (as for Rat each part, the R at the surface part is defined as Ra, the R at the ¼×t part is defined as Rb, and the R at the ½×t part is defined as Rc), R is 0.35 or more and 0.

Abstract: An aluminum-alloy sheet includes 0.10 to 0.40 mass % of Si, 0.35 to 0.80 mass % of Fe, 0.10 to 0.35 mass % of Cu, 0.20 to 0.80 mass % of Mn, and 1.5 to 2.5 mass % of Mg, the balance being Al and unavoidable impurities, wherein a content ratio (Si/Fe) of the Si to the Fe is 0.75 or less, the solute Mn content is 0.12 to 0.20 mass %, and the aluminum-alloy sheet has a proof stress of 225 N/mm2 or more after having been baked at 270° C. for 20 seconds.

Abstract: An aluminum-alloy sheet includes 0.10 to 0.40 mass % of Si, 0.35 to 0.80 mass % of Fe, 0.10 to 0.35 mass % of Cu, 0.20 to 0.80 mass % of Mn, and 1.5 to 2.5 mass % of Mg, the balance being Al and unavoidable impurities, wherein a content ratio (Si/Fe) of the Si to the Fe is 0.75 or less, the area fraction of Mg2Si intermetallic compound grains having a maximum length of 1 ?m or more is 0.10% or more in a region of a section of the aluminum-alloy sheet, the region being a central region in the thickness direction of the aluminum-alloy sheet, and the aluminum-alloy sheet has a proof stress of 225 to 270 N/mm2 after having been baked at 270° C. for 20 seconds.

Abstract: A copper alloy containing Ni: 1.5%-3.6% and Si: 0.3%-1.0% in terms of mass percent with the remainder consisting of copper and unavoidable impurities, wherein: the average crystal grain size of the crystal grains in the copper alloy is 5 to 30 ?m; the area ratio of the crystal grains having crystal grain sizes not less than twice the average crystal grain size is not less than 3%; and the ratio of the area of cube orientation grains to the area of the crystal grains having crystal grain sizes not less than twice the average crystal grain size is not less than 50%.

Abstract: Provided is a joint product of a steel product and an aluminum material, the joint product being formed by joining the steel product having a sheet thickness t1 of 0.3 to 3.0 mm with the aluminum material having a sheet thickness t2 of 0.5 to 4.0 mm by spot welding, wherein a nugget area in a joint part is from 20×t20.5 to 100×t20.5 mm2, an area of a portion where a thickness of an interface reaction layer is from 0.5 to 3 ?m is 10×t20.5 mm2 or more, and a difference between the thickness of the interface reaction layer at a joint part center and the thickness of the interface reaction layer at a point distant from the joint part center by a distance of one-fourth of a joint diameter is 5 ?m or less, and wherein the aluminum material is pure aluminum or an aluminum alloy material.