Abstract: A coated tool is, for example, a cutting tool which is provided with a base material and a coating layer located on a surface of the base material, wherein a cutting edge and a flank surface are located on the coating layer, the coating layer has a portion in which at least a titanium carbonitride layer and an aluminum oxide layer having an ?-type crystal structure are laminated in this order, and, with regard to a texture coefficient Tc (hkl) which is calculated on a basis of a peak of the aluminum oxide layer analyzed by an X-ray diffraction analysis, a texture coefficient Tc1 (0 1 14) as measured from a surface side of the aluminum oxide layer on a side of the flank surface is 1 or more.

Abstract: In an aspect of the disclosure, a cutting tool includes a base member and a coating layer located on a surface of the base member. The coating layer includes a lower layer, an upper layer, and an intermediate layer located between the lower layer and the upper layer. The intermediate layer includes a first layer, a second layer, and a third layer. The first layer contains TiCx1Ny1Oz1 (0?x1<1, 0?y1<1, 0<z1<1, and x1+1+z1=1). The second layer contains TiCx2Ny2Oz2 (0?x2<1, 0?y2<1, 0<z2<1, and x2+y2+z2=1). The third layer is located between the first layer and the second layer, and contains TiCx3Ny3Oz3 (0?x3<1, 0?y3<1, 0?z3<1, and x3+y3+z3=1). Here, z1>z3 and z2>z3.

Abstract: Provided is a coated tool exhibiting enhanced wear resistance and adhesiveness of an aluminum oxide layer and superior wear resistance and defect resistance. A cutting tool (1) in which at least a titanium carbonitride layer (8) and an aluminum oxide layer (10) having an ?-type crystalline structure are laminated in that order on a surface of a substrate (5). A surface-side Tc(116) in a surface-side peak is greater than a substrate-side Tc(116) in a substrate-side peak where Tc(116) is an orientation factor of the aluminum oxide layer (10) when comparing the substrate-side peak detected by measuring a portion on a substrate (5) side of the aluminum oxide layer (10) and the surface-side peak detected by measuring a portion on a surface side of the aluminum oxide layer (10) in X-ray diffraction analysis of the aluminum oxide layer (10).

Abstract: There is provided a coated tool in which an aluminum oxide layer has improved wear resistance. The coated tool is, for example, a cutting tool (1) which is provided with a base material (5) and a coating layer (6) located on a surface of the base material (5), wherein a cutting edge (4) and a flank surface (3) are located on the coating layer (6), the coating layer (6) has a portion in which at least a titanium carbonitride layer (8) and an aluminum oxide layer (10) having an ?-type crystal structure are laminated in this order, and, with regard to a texture coefficient (Tc) (hkl) which is calculated on a basis of a peak of the aluminum oxide layer (10) analyzed by an X-ray diffraction analysis, a texture coefficient (Tc1) (4_0_10) as measured from a surface side of the aluminum oxide layer (10) in the flank surface (3) is 0.6 or more.

Abstract: A coated tool is, for example, a cutting tool which is provided with a base material and a coating layer located on the base material, wherein a cutting edge and a flank surface are located on the coating layer, the coating layer has a portion in which at least a titanium carbonitride layer and an aluminum oxide layer having an a-type crystal structure are laminated in this order, and, with regard to a texture coefficient (Tc) (hkl) which is calculated on a basis of a peak of the aluminum oxide layer analyzed by an X-ray diffraction analysis, a texture coefficient (Tc1) (146) as measured from a surface side of the aluminum oxide layer in the flank surface is 1 or more.

Abstract: A coated tool is, for example, a cutting tool which is provided with a base material and a coating layer located on a surface of the base material, wherein a cutting edge and a flank surface are located on the coating layer, the coating layer has a portion in which at least a titanium carbonitride layer and an aluminum oxide layer having an ?-type crystal structure are laminated in this order, and, with regard to a texture coefficient Tc (hkl) which is calculated on a basis of a peak of the aluminum oxide layer analyzed by an X-ray diffraction analysis, a texture coefficient Tc1 (0 1 14) as measured from a surface side of the aluminum oxide layer on a side of the flank surface is 1 or more.

Abstract: Provided is a coated tool exhibiting enhanced wear resistance and adhesiveness of an aluminum oxide layer and superior wear resistance and defect resistance. A cutting tool (1) in which at least a titanium carbonitride layer (8) and an aluminum oxide layer (10) having an ?-type crystalline structure are laminated in that order on a surface of a substrate (5). A surface-side Tc(116) in a surface-side peak is greater than a substrate-side Tc(116) in a substrate-side peak where Tc(116) is an orientation factor of the aluminum oxide layer (10) when comparing the substrate-side peak detected by measuring a portion on a substrate (5) side of the aluminum oxide layer (10) and the surface-side peak detected by measuring a portion on a surface side of the aluminum oxide layer (10) in X-ray diffraction analysis of the aluminum oxide layer (10).

Abstract: Disclosed is a surface coated member having excellent adhesion resistance and fracture resistance. A surface coated member (1) comprises a coating layer (3) on the surface of a base (2). The coating layer (3) is composed of a multilayer body wherein a titanium carbonitride (TiCN) layer (4), a continuously existing intermediate layer (5) containing titanium, aluminum, carbon and oxygen and having an average film thickness of 5-30 nm, and an ?-aluminum oxide (Al2O3) layer (9) composed of aluminum oxide (Al2O3) having an ? crystal structure are sequentially formed by deposition.

Abstract: Disclosed is a surface coated member having excellent adhesion resistance and fracture resistance. A surface coated member (1) comprises a coating layer (3) on the surface of a base (2). The coating layer (3) is composed of a multilayer body wherein a titanium carbonitride (TiCN) layer (4), a continuously existing intermediate layer (5) containing titanium, aluminum, carbon and oxygen and having an average film thickness of 5-30 nm, and an a-aluminum oxide (Al2O3) layer (9) composed of aluminum oxide (Al2O3) having an a crystal structure are sequentially formed by deposition.

Abstract: A process of producing propylene chlorohydrin using a reactor having a one-way flow reaction area and a circulating flow reaction area which are connected in series. In this process, a propylene-containing gas is supplied to an aqueous solution of chlorine in the one-way flow reaction area to carry out at least part of a propylene chlorohydrin forming reaction so as to form a reaction mixture fluid containing propylene chlorohydrin and propylene and/or chlorine. The above reaction mixture fluid discharged from this reaction area is supplied to the circulating flow reaction area as at least part of a make-up medium, a propylene-containing gas and/or chlorine are/is supplied as required to continue the reaction in the circulating flow reaction area so as to obtain a reaction solution having a desired content of propylene chlorohydrin, and part of the reaction solution is extracted.

Abstract: A process of producing propylene chlorohydrin using a reactor having a one-way flow reaction area and a circulating flow reaction area which are connected in series. In this process, a propylene-containing gas is supplied to an aqueous solution of chlorine in the one-way flow reaction area to carry out at least part of a propylene chlorohydrin forming reaction so as to form a reaction mixture fluid containing propylene chlorohydrin and propylene and/or chlorine. The above reaction mixture fluid discharged from this reaction area is supplied to the circulating flow reaction area as at least part of a make-up medium, a propylene-containing gas and/or chlorine are/is supplied as required to continue the reaction in the circulating flow reaction area so as to obtain a reaction solution having a desired content of propylene chlorohydrin, and part of the reaction solution is extracted.