LAP FILLET ARC WELDING JOINT

This lap fillet arc welding joint is provided with: a first steel plate and a second steel plate which overlap each other and each of which has a tensile strength of at least 950 MPa; and a weld metal extending along a corner that is formed by the surface of the first steel plate and an end surface of the second steel plate, wherein when β is the toe angle of the weld metal, NA is the total number of recesses present on the surface of the weld metal within a range of 0.4 mm from a melting boundary, and among such recesses, NB is the number of recesses in contact with ferrite particles having a maximum particle diameter of at least 10 μm, the weld metal satisfies both of the following conditional equations (1) and (2): 0°<β<30°…(1) NB/NA≤0.70…(2) (where, NA is at least 20) ...

LAP FILLET ARC WELDING JOINT

A lap fillet arc welded joint includes: a first steel sheet and a second steel sheet which are overlapped each other, the first steel sheet and the second steel sheet each having a tensile strength of 950 MPa or more; and a weld metal which extends along a corner formed by an upper surface of the first steel sheet and an end surface of the second steel sheet. When: a toe angle of the weld metal is defined as β; the total number of concave portions present on the surface of the weld metal included a range of 0.4 mm or less from a fusion boundary is defined as NA; and the number of concave portions in contact with ferrite grains having a maximum grain size of 10 µm or more is defined as NB, the weld metal satisfies the following conditional expressions (1) and (2) at the same time.0°<β<30°NB/NA≤0.70(Here, NA is 20 or more.)

LAP FILLET ARC WELDING JOINT

METHOD OF JOINING METAL, PLASTIC MEMBER, AND CARBON FIBER REINFORCED PLASTIC MEMBER

A method of joining a metal and a plastic member, a method of joining a CFRP member and a plastic member, a method of joining a metal and a CFRP member through a plastic member, in particular a method of joining members able to join members by a faster joining speed and able to give a joined member excellent in joining strength are provided. A method of joining a metal and a plastic member by overlaying a metal and a plastic member and joining them by firing a laser beam from the plastic member side, comprising overlaying the plastic member and glass through which the laser beam will pass on the metal in that order and firing the laser beam from the plastic member side through the glass at a joining location where the metal and the plastic member are overlaid to join them by a joining speed of 0.5 m to 5.0 m/min. 1. A method of joining a metal and a plastic member by overlaying a metal and a plastic member and joining them by firing a laser beam from the plastic member side , comprising:overlaying said plastic member and glass through which the laser beam will pass, on said metal, in that order, andfiring said laser beam from said plastic member side through said glass at a joining location where said metal and said plastic member are overlaid to join them at a joining speed of 0.5 m to 5.0 m/min.2. A method of joining a carbon fiber reinforced plastic member and a plastic member by overlaying a carbon fiber reinforced plastic member and a plastic member and joining them by firing a laser beam from the plastic member side , comprising:overlaying said plastic member and glass through which the laser beam will pass, on said carbon fiber reinforced plastic member, in that order, andfiring said laser beam from said plastic member side through said glass at a joining location where said carbon fiber reinforced plastic member and said plastic member are overlaid to join them at a joining speed of 0.5 m to 5.0 m/min.3. A method of joining a metal and a carbon fiber ...

Press-formed product and method for designing the same

A press-formed product is shaped by press-working from a tailored blank made up of a plurality of metal sheets butt-welded together. The press-formed product includes a flange section, and an arc-shaped area which is an area of the flange section which is formed by stretch flange deformation, and in which an inner peripheral edge is open. A weld line of the tailored blank intersects with the inner peripheral edge and an outer peripheral edge of the arc-shaped area. An angle θ formed by the weld line and a maximum principal strain direction of the stretch flange deformation is 17 to 84°.

LASER WELDED JOINT AND METHOD OF PRODUCTION OF SAME

A laser welded joint improving the tensile shear strength without causing an increase in the welding time and without using an expensive remote laser head, that is, a laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction, wherein when a total thickness of the metal sheets welded overlaid is “t” (mm), the width of the weld metal at the joined interface is 0.6t1/3+0.14 (mm) or more. 1. A laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction , wherein{'sup': '1/3', 'when a total thickness of the metal sheets welded overlaid is “t” (mm), the width of the weld metal at the joined interface is 0.6t+0.14 (mm) or more.'}2. The laser welded joint according to wherein the width of the weld metal at the joined interface is larger than the widths of the weld metal at the front surface and back surface of the metal sheets welded overlaid.3. A method of production of a laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction claim 1 ,the method of production of a laser welded joint comprising the steps of:forming a layer of a metal or metal compound with a boiling point higher than a melting point of the metal sheets at a scheduled welding location on one surface of a metal sheet,overlaying another metal sheet on the layer of a metal or metal compound, andlaser welding them by irradiating a laser beam from an overlaid direction of the steel sheets so that regions including the layer of a metal or metal compound melt.4. The method of production of a laser welded joint according to claim 3 , wherein the layer of a metal or metal compound is formed by coating a powder of the metal or metal compound.5. The method of production of a laser welded joint according to claim 3 , wherein the metal or metal compound is a metal oxide.6. The method of production of a laser welded joint ...

Lap fillet arc welded joint

(Here, NA is 20 or more.)

Pressure sensor e.g. for coolant or oil in motor vehicle has body in two sections - one of polymer and other of metal partly enclosing it

The sensor consists of a body in two sections (3, 7), the first made from a polymer in the shape of a cylinder with an end of larger diameter (33) which has a cavity containing a detector (1), held in place by an adhesive. The second section of the body is of a metal such as iron or steel, with a recess (74) to receive the end of the first section. The edge (75) of the second section of the body is folded over the larger diameter end of the first at an angle of 111 - 121 degrees to hold the two sections together.

PRESSURE DETECTION DEVICE

PRESSURE SENSOR COMPRISING A METAL DIAPHRAGM HAVING A CONVEX

Ce capteur de pression comprend un diaphragme (16) retenant de façon étanche un liquide, qui comprend une pluralité de parties convexes (16a) disposées concentriquement sur le diaphragme et possédant une section transversale en forme d'arc de cercle dans une direction radiale et une forme annulaire, avec un facteur de configuration situé dans une gamme comprise entre 2,5 et 3,5.Application notamment aux capteurs de pression dans des véhicules mûs par des moteurs diesel. This pressure sensor comprises a diaphragm (16) sealingly retaining a liquid, which comprises a plurality of convex parts (16a) arranged concentrically on the diaphragm and having a cross section in the form of an arc of a circle in a radial direction and a annular shape, with a configuration factor located in a range between 2.5 and 3.5. Application in particular to pressure sensors in vehicles powered by diesel engines.

ULTRASONIC SENSOR

Method of joining metal, plastic member and carbon fiber-reinforced plastic member

【課題】金属と樹脂部材とを接合する方法、ＣＦＲＰ部材と樹脂部材とを接合する方法、樹脂部材を介した金属とＣＦＲＰ部材とを接合する方法、特に、接合速度を速くしてこれらを接合でき、且つ優れた接合強度を有する接合部材を得ることができる接合方法の提供。【解決手段】金属と樹脂部材とを重ね合わせて樹脂部材側からレーザ光を照射して接合する接合方法において、前記金属に、レーザ光が透過する前記樹脂部材とガラスを、この順で重ね合わせ、前記樹脂部材側から前記ガラスを介して前記レーザ光を前記金属と前記樹脂部材の重ね合わされた接合箇所に照射して、接合速度０．５ｍ〜５．０ｍ/ｍｉｎで接合することを特徴とする金属と樹脂部材の接合方法。【選択図】図５

Ultrasonic sensor

An ultrasonic sensor includes a plurality of converters and a protection component. The plurality of converters convert one of a received ultrasonic wave into an electric signal and an electric signal into an ultrasonic wave for transmission. The plurality of converters are juxtaposed. The protection component protects each of the converters.

Press-formed product and method for designing the same

This press-molded article is molded by press working from a tailored blank obtained by butt-welding a plurality of metal sheets. The press-molded article includes a flange section (10b), and an arc-shaped region (14) which is a portion of the region of the flange section (10b) that is formed by stretch flange deformation and has an open inner peripheral edge (14b). A welding line (L) of the tailored blank intersects with the inner peripheral edge (14b) and an outer peripheral edge (14a) of the arc-shaped region (14). An angle ? between the welding line (L) and the maximum principal strain direction of the stretch flange deformation is 17-84°.

Semiconductor sensor for detecting a dynamic quantity

Ein Halbleitersensor zur Erfassung einer dynamischen Größe umfasst bewegliche Teile (30, 40), die in einer vorbestimmten Richtung über einem Trägersubstrat (11) verlagerbar sind, und einen Balkenabschnitt (50) zur Verbindung des Trägersubstrats (11) mit den beweglichen Teilen (30, 40). Der Balkenabschnitt (50) umfasst Balken (51, 52, 53), die parallel angeordnet und zusammen an ersten Endabschnitten mit einem Verbindungsabschnitt (55) verbunden sind. Die Balken (51, 52, 53) biegen sich in einer zu der Längsrichtung der Balken (51 bis 53) senkrechten Richtung durch. Äußere Balken (51, 52) haben eine gleiche Länge und sind an anderen Endabschnitten des Trägersubstrats (11) befestigt. Die beweglichen Teile (30, 40) sind mit dem anderen Endabschnitt eines weiteren Balkens (53) verbunden. Die äußeren Balken (51, 52) und der Verbindungsabschnitt (55) haben einen Parameter (A/B)/(T/L), der wenigstens 20 beträgt.

PRESSURE SENSOR COMPRISING A METAL DIAPHRAGM HAVING A CONVEX PART

Ce capteur de pression comprend un diaphragme (16) retenant de façon étanche un liquide, qui comprend une pluralité de parties convexes (16a) disposées concentriquement sur le diaphragme et possédant une section transversale en forme d'arc de cercle dans une direction radiale et une forme annulaire, avec un facteur de configuration situé dans une gamme comprise entre 2,5 et 3,5.Application notamment aux capteurs de pression dans des véhicules mûs par des moteurs diesel. This pressure sensor comprises a diaphragm (16) sealingly retaining a liquid, which comprises a plurality of convex portions (16a) disposed concentrically on the diaphragm and having a cross section in the form of an arc of a circle in a radial direction and a annular shape, with a configuration factor in a range between 2.5 and 3.5.Application in particular to pressure sensors in vehicles powered by diesel engines.

Lap joint coupler and method for manufacturing same

【課題】継手強度に優れた接合継手を提供する。【解決手段】重ね合わされた複数の金属板で構成され、点状の接合部を有する重ね接合継手において、前記点状の接合部は、前記複数の金属板に跨る溶融凝固部を有し、前記溶融凝固部は、再溶融凝固部と、凝固再加熱部とを有し、前記再溶融凝固部は、前記溶融凝固部を平面視したとき、当該溶融凝固部の円相当中心軸を含む点状で、前記複数の金属板に跨っており、前記凝固再加熱部は、前記再溶融凝固部の周囲に位置し、前記点状の接合部の溶融境界を含んでおり、更に、前記金属板の重ね合わせ面の前記溶融境界から前記中心軸側に１００μｍの点を中心点とした、１００μｍ×１００μｍの矩形平面領域にて、Ｐの偏析が緩和されていることを特徴とする重ね接合継手。【選択図】図３

Laser welded joint and method of production of same

A laser welded joint improving the tensile shear strength without causing an increase in the welding time and without using an expensive remote laser head, that is, a laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction, wherein when a total thickness of the metal sheets welded overlaid is "t" (mm), the width of the weld metal at the joined interface is 0.6t1/3+0.14 (mm) or more.

Laser welded joint and method of production of same

A laser welded joint improving the tensile shear strength without causing an increase in the welding time and without using an expensive remote laser head, that is, a laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction, wherein when a total thickness of the metal sheets welded overlaid is “t” (mm), the width of the weld metal at the joined interface is 0.6t1/3+0.14 (mm) or more.

laser welded joint and method for producing it

a presente invenção refere-se uma junta soldada a laser exibindo resistência à tensão aperfeiçoada sem implicar um aumento em tempo de soldagem ou o uso de uma cabeça de laser remota cara, a junta soldada a laser sendo obtida submetendo chapas de metal posicionadas de uma maneira sobreposta à soldagem por laser a partir da direção de sobreposição, e sendo caracterizada pelo fato de que a largura do metal soldado na interface de união é 0,6t1/30,14 (mm) ou mais, dado que a espessura de placa total das chapas de metal sobrepostas e soldadas é t (mm). The present invention relates to a laser welded joint exhibiting improved tensile strength without implying an increase in welding time or the use of an expensive remote laser head, the laser welded joint being obtained by subjecting metal sheets positioned in a manner such as superimposed on laser welding from the overlap direction, and is characterized by the fact that the width of the welded metal at the bonding interface is 0.6t1 / 30.14 (mm) or more since the total plate thickness of the overlapping and welded sheet metal is t (mm).

ULTRASONIC SENSOR

Un capteur ultrasonore comprend de multiples convertisseurs (11) et un composant de protection (14). Les multiples convertisseurs (11) convertissent soit un onde ultrasonore reçue en un signal électrique, soit un signal électrique en une onde ultrasonore pour l'émission. Les multiples convertisseurs (11) sont juxtaposés. Le composant de protection (14) protège chacun des convertisseurs (11). An ultrasonic sensor includes multiple converters (11) and a protection component (14). The multiple converters (11) convert either an ultrasonic wave received into an electrical signal or an electrical signal into an ultrasonic wave for transmission. The multiple converters (11) are juxtaposed. The protection component (14) protects each of the converters (11).

プロジェクション溶接部材の製造方法

【課題】低温割れを抑制可能なプロジェクション溶接部材の製造方法を提供する。【解決手段】引張強さが１．６０ＧＰａ超であり板厚が１．８ｍｍ以上２．３ｍｍ未満であるＡｌ系めっきホットスタンプ鋼板と、突起部を有する部材とを接合するものであって、本通電工程における通電時間を１２０ｍｓｅｃ以上とし、保持工程における保持時間を２８０ｍｓｅｃ以下とする。本発明の別の態様に係るプロジェクション溶接部材の製造方法は、引張強さが１．６０ＧＰａ超であり板厚が２．３ｍｍ以上３．３ｍｍ未満であるＡｌ系めっきホットスタンプ鋼板と、突起部を有する部材とを接合するものであって、本通電工程における通電時間を１２０ｍｓｅｃ以上とし、第二通電工程における通電時間を８０ｍｓｅｃ以上とし、保持工程における保持時間を４００ｍｓｅｃ以下とし、本通電工程と、第二通電工程との間の無通電時間を１６０ｍｓｅｃ以下とする。【選択図】図２

プロジェクション溶接部材の製造方法

【課題】低温割れを抑制可能なプロジェクション溶接部材の製造方法を提供する。【解決手段】引張強さが１．６０ＧＰａ超であり板厚が１．８ｍｍ以上２．３ｍｍ未満である非めっき鋼板または亜鉛系めっき鋼板と、突起部を有する部材とを接合するものであって、本通電工程における通電時間を１２０ｍｓｅｃ以上とし、保持工程における保持時間を２８０ｍｓｅｃ以下とする。本発明の別の態様に係るプロジェクション溶接部材の製造方法は、引張強さが１．６０ＧＰａ超であり板厚が２．３ｍｍ以上３．３ｍｍ未満である非めっき鋼板または亜鉛系めっき鋼板と、突起部を有する部材とを接合するものであって、本通電工程における通電時間を１２０ｍｓｅｃ以上とし、第二通電工程における通電時間を８０ｍｓｅｃ以上とし、保持工程における保持時間を４００ｍｓｅｃ以下とし、本通電工程と、第二通電工程との間の無通電時間を１６０ｍｓｅｃ以下とする。【選択図】図２

junta soldada por arco de filete de sobreposição

Esta junta soldada por arco de filete de sobreposição é dotada de: uma primeira placa de aço e uma segunda placa de aço que se sobrepõem entre si e cada uma das quais tem uma resistência à tração de pelo menos 950 MPa; e um metal de solda que se estende ao longo de uma aresta que é formada pela superfície da primeira placa de aço e uma superfície de extremidade da segunda placa de aço; em que, quando ß é o ângulo de convergência do metal de solda, NA é o número total de reentrâncias presentes na superfícies do metal de solda com uma faixe de 0,4 mm a partir de um limite de fusão, e dentre tais reentrâncias, NB é o número de reentrâncias em contato com partículas de ferrita que tem um diâmetro de partícula máximo de pelo menos 10 µm, o metal de solda atende a ambas as equações condicionais (1) e (2) a seguir: 0° &lt; ß &lt; 30° ? (1) NB/NA = 0,70 ? (2) (em que NA é pelo menos 20).

Union soldada por arco de filete a solape.

Una unión soldada por arco de filete a solape incluye: una primera lámina de acero y una segunda lámina de acero que se superponen entre sí, la primera lámina de acero y la segunda lámina de acero tienen una resistencia a la tracción de 950 MPa o más; y un metal de soldadura que se extiende a lo largo de una esquina formada por una superficie superior de la primera lámina de acero y una superficie extrema de la segunda lámina de acero. Cuando: un ángulo de borde del metal de soldadura se define como ß; el número total de porciones cóncavas presentes en la superficie del metal de soldadura incluido un intervalo de 0.4 mm o menos desde un límite de fusión se define como NA; y el número de porciones cóncavas en contacto con granos de ferrita que tienen un tamaño de grano máximo de 10 µm o más se define como NB, el metal de soldadura satisface las siguientes expresiones condicionales (1) y (2) al mismo tiempo. 0° < ß < 30°... (1) NB/NA = 0.70... (2) (Aquí, NA es 20 o más).

アルミニウム材の表面処理方法

(57)【要約】 【課題】 梨地処理の目的を達成すると共に、色むらの 無い外観が得られるアルミニウム材の表面処理方法の提 供。 【解決手段】 アルミニウム材を、Cu化合物および／ま たはAg化合物を含有するフッ化水素アンモニウム水溶液 に浸漬するアルミニウム材の表面処理方法、および、ア ルミニウム材を、好ましくはアンモニウムの硝酸塩およ び／またはナトリウムの亜硝酸塩である無機塩類を含有 する水酸化ナトリウム水溶液に浸漬するアルミニウム材 の表面処理方法。

圧力センサ

(57)【要約】 【課題】 サージ性の圧力に起因する圧力センサチップ への悪影響を効果的に防止し、しかも比較的簡単な構成 で済ませる。 【解決手段】 ケース１２の凹部１６ａ内に、圧力セン サチップ１３を支持台座１５により支持された状態で設 ける。ケース１２の突出部１７内に、該突出部１７の下 端部に入口部を有し、上端部が支持台座１５の貫通孔１ ５ａに連通する圧力導入路１８を、上下方向に蛇行する 形態に形成する。圧力導入路１８のＵ字状部１８ａ部分 に、水等の液体Ｗを収容し、圧力センサチップ１３との 間に空気溜り１８ｂを形成する。ケース１２を、圧力導 入路１８の上下２か所の折返し部分に対応した分割線 Ａ，Ｂにて分割された形態の３個の部品を接合して構成 する。

継手

【課題】接合強度に優れた継手を提供することを課題とする。【解決手段】一方の鋼板１と他方の鋼板２とが重ね合わされた接合部２３を備え、接合部２３には一方の鋼板１と他方の鋼板２との界面１０が存在し、界面１０は、接合部２３の断面において、一方の鋼板１と他方の鋼板２との境界の延長にある平行界面１１と、接合部２３の平面視中央に近づくに従って平行界面１１から一方の鋼板１側に曲げられた中央界面１２とがあり、中央界面１２から接合部２３の平面視中央側に板面平行方向に０．０５ｍｍ以上０．５ｍｍ以下離れた領域の平均硬度が３５０〜４５０ＨＶであり、平行界面１１と中央界面１２との境界点Ｍから接合部２３の平面視中央側に向かう平行界面１１の延長線上の平均硬度が４００〜５５０ＨＶである、継手２１を採用する。【選択図】図６

Lap fillet arc welding joint

ナイロンスリング支持点追加金具（以下スリングクリップ）

【課題】柔軟性から発生する伸縮性により玉掛けの遊び長さが拡大することによる、飛来・落下などの危険の発生を防ぐことのできるナイロンスリングの支持点追加金具を提供する。 【解決手段】ナイロンスリングの任意位置を角鋼１と丸鋼２で挟み込みスリングクリップを取り付ける支持点を設け、巻き上げ機で揚重前に吊り上げ荷重と同等の予備締め応力を発生させ玉掛け遊び拡大を解消する。 【選択図】図１２

薄鋼板のリモートレーザ切断方法とその装置

【課題】リモートレーザ切断において、装置が大がかりなることなく、安定してレーザ切断を行う方法を提供する。 【解決手段】被加工部材の切断ラインに沿って連続発振させたレーザビームを照射してレーザ切断を行うリモートレーザ切断方法において、前記被加工部材のレーザビーム照射部を、リモートヘッドに近づく方向の加速度がリモートヘッドから遠ざかる方向の加速度より大きくなるように、リモートヘッドに近づく方向と遠ざかる方向に振動させて、前記被加工部材のレーザビームによって溶融した溶融金属をリモートヘッドから遠ざかる方向に飛散させることを特徴とするリモートレーザ切断方法。 【選択図】図１