Abstract: An object of the invention is achieved by a method for producing a composite material, including the steps of combining a resin precursor and a reinforcing fiber and carrying out a polymerization reaction of the resin precursor. That is, a thermoplastic resin composite material having high strength can be obtained by the production method.

Abstract: A post-heating treatment device includes a detecting device for a height variation of a surface of the rail at every, predetermined pitch along a length direction of the rail, a control unit for defining a position of the rail to be a starting point of the welded section when the height variation detected by the detecting device at every predetermined pitch exceeds a predetermined threshold for the number of a predetermined times consecutively and defining a position of the rail to be an end point of the welded section when the height variation detected by the detecting device at every predetermined pitch is below the predetermined threshold for the number of the predetermined times consecutively, and a heating unit for heat treatment based on a position of the welded section detected by the detecting device. A post-heating treatment method using the post-heating treatment device is provided.

Abstract: A post-heating treatment device performs a post-heating treatment for a welded section of a rail, after an induction heating coil is automatically disposed at a predetermined position based on the welded section. The device includes welded section detecting unit for detecting the position of a welded section on a rail, a first coil and a second coil that form an induction heating coil, first coil moving unit for moving the first coil to a position spaced apart from the rail at a predetermined distance, second coil moving unit for moving the second coil to a position separated from the rail at a predetermined distance, where the second coil is contacted to the first coil, clamping unit for pressing against the contact portion between the first coil and the second coil, and current applying unit for applying a predetermined current to the formed induction heating coil.

Abstract: The present invention provides a honeycomb structure that is light in weight, that has high strength and rigidity, and that is also excellent in water resistance and moldability. The honeycomb structure of the present invention comprises a thermoplastic resin composition containing a polyamide (A) and a modified polyolefin (B), wherein: the polyamide (A) comprises a diamine unit that contains a xylylenediamine unit for 70 mol % or more and a dicarboxylic acid unit that contains an ?,?-linear aliphatic dicarboxylic acid unit with a carbon number of 4-20 for 50 mol % or more; the modified polyolefin (B) is a polyolefin having a reactive functional group that is selected from an epoxy group and the like; and the blending ratio of polyamide (A)/modified polyolefin (B) is in a range of 100/15-70 on a mass basis.

Abstract: The present invention provides a honeycomb structure formed from a thermoplastic resin composition comprising: aromatic polyamide (A) which includes diamine units containing at least 70 mol % of xylylenediamine units and dicarboxylic acid units containing at least 50 mol % of C4-20 ?,?-linear aliphatic dicarboxylic acid units; and aliphatic polyamide (B) which includes aliphatic groups as repetitive units and in which the total of 10 to 24 carbons form the aliphatic groups. The composition ratio of aromatic polyamide (A): aliphatic polyamide (B) is within a range of 100: 25 to 400 by mass standard. Also provided is a sandwich structure obtained by disposing flat plates at the top surface and bottom surface of the honeycomb structure, and a honeycomb substrate obtained by molding the thermoplastic resin composition into a film or a sheet.

Abstract: Provided is a fiber reinforced polyamide resin material which has high rigidity and low water absorbency, and is excellent in moldability and mechanical properties of the molded article. A fiber reinforced polyamide resin material, comprises 100 parts by mass of polyamide resin (A) which is a polycondensate of diamine and dicarboxylic acid and 5 to 300 parts by mass of a carbon fiber (B); wherein 70 mol % or more of the diamine is a xylylenediamine; 50 mol % or more the dicarboxylic acid is a Straight-chain aliphatic dicarboxylic acid containing 4 to 20 carbon atoms; the polyamide resin (A) has a terminal amino group concentration ([NH2]) (in ?eq/g) of 5<[NH2]<150; and the carbon fiber (B) has on a surface thereof a compound (C) which is reactive with amino group.

Abstract: Provided is a continuous fiber-reinforced composite material with an excellent solvent resistance, and a molded article made of such material. The continuous fiber-reinforced composite material comprises a polyamide resin impregnated into continuous fibers; wherein the polyamide resin is composed of a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; 50% by mole or more of the structural unit derived from diamine is derived from 1,3-bis (aminomethyl) cyclohexane; and 30% by mole or more of the structural unit derived from dicarboxylic acid is derived from isophthalic acid.

Abstract: Provided is a method for manufacturing a commingled yarn that is capable of keeping a high level of dispersion of the continuous reinforcing fiber and the continuous resin fiber, moderately flexible, and less likely to cause fiber separation, and a commingled yarn a wind-up article and a woven fabric. The method for manufacturing a commingled yarn includes commingling a thermoplastic resin fiber having a treatment agent for the thermoplastic resin fiber on a surface thereof, and a continuous reinforcing fiber having a treatment agent for the continuous reinforcing fiber on a surface thereof, and heating the commingled fibers at a temperature in a range from a melting point of the thermoplastic resin composing the thermoplastic resin fiber, up to 30K higher than the melting point.

Abstract: Provided is a composite material capable of keeping a good appearance even after heat processed, a method for manufacturing a composite material and a method for manufacturing a molded article. The composite material of the present invention contains a commingled yarn that contains a continuous reinforcing fiber (A) and a continuous thermoplastic resin fiber (B) as fiber components thereof; and a thermoplastic resin fiber (C) that keeps the commingled yarn in place, a thermoplastic resin that composes the thermoplastic resin fiber (C) having a melting point 15° C. or more higher than the melting point of a thermoplastic resin that composes the continuous thermoplastic resin fiber (B).

Abstract: Provided is method for manufacturing a molded article that has a first portion, and a second portion that rises up from the first portion, the method comprising: placing a second material on a surface of a first material; the first material containing a reinforcing fiber (A) with a length exceeding 30 mm and a thermoplastic resin (B), the reinforcing fiber (A) being dispersed in the first material, and, the thermoplastic resin (B) being not substantially impregnated into the reinforcing fiber (A), and the second material containing a reinforcing fiber (a) with a length of 1 to 30 mm and a thermoplastic resin (b), the reinforcing fiber (a) being dispersed into the second material, and, the thermoplastic resin (b) being not substantially impregnated into the reinforcing fiber (a),and simultaneously forming the first portion and the second portion by one stroke of pressing, with a cohesive strength of the thermoplastic resin (B) and the thermoplastic resin (b) of 2 N/15 mm or larger, where the cohesive strength

Abstract: Provided is a pressure vessel having an outer layer with an improved gas barrier property, a lightweight liner with an excellent gas barrier property, and a novel method for manufacturing a pressure vessel. The pressure vessel contains a liner and an outer layer of the liner, wherein the outer layer is configured by a composite material that contains a continuous fiber and a polyamide resin impregnated into the continuous fiber; the polyamide resin contains a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; and 50 mol % or more of the structural unit derived from diamine is derived from xylylenediamine.

Abstract: A powder for molding is a mixture of first constituent particles, which are made up of first metal base particles, and second constituent particles, which are made up of second metal base particles. A first lubricant concentration that is a mass proportion of a first internal lubricant adhered to the surface of the first metal base particles with respect to the total of the first constituent particles, is greater than a second lubricant concentration that is a mass proportion of a second internal lubricant that is adhered to the surface of the second metal base particles with respect to the total of the second constituent particles.

Abstract: Provided is a method for manufacturing a commingled yarn that is capable of keeping a high level of dispersion of the continuous reinforcing fiber and the continuous resin fiber, moderately flexible, and less likely to cause fiber separation, and a commingled yarn a wind-up article and a woven fabric.

Abstract: The present invention provides a honeycomb structure that is light in weight, that has high strength and rigidity, and that is also excellent in water resistance and moldability. The honeycomb structure of the present invention comprises a thermoplastic resin composition containing a polyamide (A) and a modified polyolefin (B), wherein: the polyamide (A) comprises a diamine unit that contains a xylylenediamine unit for 70 mol % or more and a dicarboxylic acid unit that contains an ?,?-linear aliphatic dicarboxylic acid unit with a carbon number of 4-20 for 50 mol % or more; the modified polyolefin (B) is a polyolefin having a reactive functional group that is selected from an epoxy group and the like; and the blending ratio of polyamide (A)/modified polyolefin (B) is in a range of 100/15-70 on a mass basis.

Abstract: A clutch cover assembly is provided whereby accurate wear compensation can be executed. The present clutch cover assembly includes a clutch cover, a pressure plate, a diaphragm spring, an wear-amount detecting mechanism and an wear tracking mechanism. The wear-amount detecting mechanism includes a detection member for detecting the wear-amount of a friction member and a moving member configured to be movable in accordance with the wear-amount of the friction member. The detection member is engaged with the fulcrum rings and detects the wear-amount through the fulcrum rings, while being engaged with the moving member and being configured to be disengaged from the moving member at a predetermined wear-amount.

Abstract: Provided is a commingled yarn having a dispersing property and having a smaller amount of voids, a method for manufacturing the commingled yarn, and a weave fabric using the commingled yarn. The commingled yarn comprises a continuous thermoplastic resin fiber, a continuous reinforcing fiber, and a surface treatment agent and/or sizing agent, comprises the surface treatment agent and/or sizing agent in a content of 2.0% by weight or more, relative to a total amount of the continuous thermoplastic resin fiber and the continuous reinforcing fiber, and has a dispersibility of the continuous thermoplastic resin fiber and the continuous reinforcing fiber of 70% or larger.

Abstract: Provided is a non-weave fabric containing a thermoplastic resin fiber and a carbon fiber as major ingredients, capable of yielding a resin molded article when molded thereinto, which is excellent in mechanical strength and in appearance, and, a multi-layered sheet having the non-weave fabric and a textile layer, which is excellent in mechanical strength and less likely to warp. The non-weave fabric includes a thermoplastic resin fiber (A), a carbon fiber (B), and a thermoplastic resin (C) having a glass transition temperature lower than that of the thermoplastic resin fiber (A), the ratio of content of the thermoplastic resin (C) being 1 to 50% by weight of the total content of the thermoplastic resin fiber (A) and the thermoplastic resin (C).

Abstract: Provided is a composite fiber in which a polyamide resin fiber and a continuous reinforcing fiber are dispersed. A composite fiber comprising (A) a polyamide resin fiber made from a polyamide resin composition, (B) a continuous reinforcing fiber, and (a) a treating agent for the polyamide resin fiber (A); wherein an amount of the treating agent (a) is 0.1 to 2.0% by mass of the polyamide resin fiber (A); and the polyamide resin composition comprises a polyamide resin containing a diamine structural unit, 50 mol % or more of which is derived from xylylenediamine, and having a number average molecular weight (Mn) of 6,000 to 30,000; and 0.5 to 5% by mass of the polyamide resin has a molecular weight of 1,000 or less.

Abstract: Provided is commingled yarn excellent in strength. The commingled yarn comprises a continuous thermoplastic resin fiber and a continuous reinforcing fiber as fiber components, which has twist.

Abstract: Provided is a fiber fabric excellent in high mechanical strength and shapability. The fiber fabric comprising warps and wefts: wherein either one of the warps and the wefts is configured by a polyamide resin fiber composed of a polyamide resin composition, and the other is configured by a continuous carbon fiber; in an arbitrary square area of the fiber fabric, one side of the arbitrary square area is aligned in parallel to the warps, and other one side of the arbitrary square area is aligned in parallel to the wefts, the continuous carbon fiber has an average length 1.1 to 1.6 times longer than the length of a side of the square; the polyamide resin composition contains a polyamide resin in which 50% by mole or more of diamine structural units thereof is derived from xylylenediamine; and wherein the polyamide resin has a number-average molecular weight (Mn) of 6,000 to 30,000, and 0.5 to 5% by mass of the polyamide resin has a molecular weight of 1,000 or smaller.