Toyota Jidosha Kabushiki Kaisha

Hitachi, Ltd.

National Institute for Materials Science

Inter-university Research Institute Corporation High Energy Accelerator Research Organization

Mitsumi Electric Company Ltd.

The University of Tokyo

Masao Yano

Tetsuya Shoji

Noritsugu Sakuma

Hidefumi Kishimoto

Masaaki Ito

Akira Manabe

Akira Kato

Seiichi Onoda

Yasumasa Koakutsu

Tamio Takeuchi

Kanta Ono

Kurima Kobayashi

Shunji Suzuki

Kazuhiro Hono

Junichi Shimizu

Yukiko Takahashi

Yasuhiro Toyama

Weibin Cui

Hitoshi Yokono

Akinori Asahara

Hideo Arima

Hirayoshi Tanei

Toshiki P Tanaka

Takanobu Noro

Takuya Kanazawa

Ichiro Ikushima

Masaaki Kusano

Mikiya Nozaki

Kota Washio

Sadahiro Ohyama

Jiro Nakano

Hidekazu Morita

Noriaki Sekine

Kiyohide Miyake

Hideji Matsuura

Noribumi Ishi

Hanae Shiratori

Yasusi Anzo

Syouji Yamada

Minoru Ikenoue

Hirotaka Sakamoto

Yusuke Murai

Hisazumi Akai

Munehisa Matsumoto

Martin Hoffmann

An information processing device includes: an acquiring section acquiring small angle scattering data obtained by measuring a material, and supplemental information that is two-dimensional data of the material; and a predicting section that, by using the small angle scattering data and the supplemental information as input, predicts a three-dimensional structure of the material from output of a prediction model that is learned in advance and that is for predicting the three-dimensional structure of the material.

Information processing device, information processing method, and computer-readable storage medium

A surface performance evaluation device including memory and a processor coupled to the memory. The processor being configured to: acquire a captured image, which is a moving image of a test object on which a liquid is dispersed, and which is captured by a camera; quantify, based on the captured image that is acquired by the processor, a degree of diffusion of the liquid that is dispersed on the test object and diffuses; and evaluate a surface performance of the test object based on an index quantified by the processor.

Surface performance evaluation device, surface performance evaluation method, and surface performance evaluation program

A server receives target sample data sent from the user equipment, and searches sample data in a database using the target sample data as a search query to identify the sample data whose similarity measure to the target sample data is equal to or greater than a threshold. The server identifies a three-dimensional structure model associated with the identified sample data, and outputs the identified three-dimensional structure model as a three-dimensional structure model corresponding to the target sample data.

Database, server, information processing method, and storage medium

An information processing device receives material data, relating to a material, that have been sent from a user terminal. The information processing device performs analysis in accordance with one or more analysis techniques with respect to the material data to thereby acquire analysis result data representing analysis results. The information processing device sends the analysis result data to the user terminal.

Information processing device, information processing method, and storage medium storing information processing program

Automated analysis of particle beam measurement results is facilitated by a device that calculates a spatial parameter distribution representing spatial structure of a sample based on a scattering pattern corresponding to projection of the spatial structure of the sample to wavenumber space, the projection being obtained by detecting scattering of a particle beam which enters the sample and intersects with the sample. The device includes a section to provide estimates for signals on the scattering pattern in association with at which point on a spatial parameter distribution of the sample interactions occur during scattering; a section to aggregate estimation results of the interaction estimation section to calculate a spatial parameter distribution of a sample matching an aggregated result; and a section to perform alternately and repeatedly estimation in the interaction estimation section and calculation in the parameter distribution calculation section in order to improve estimation accuracy in spatial parameter distributions.

Particle beam experiment data analysis device

An information processing device acquires an image captured by a transmission electron microscope. The information processing device, for each partial region in the image, executes a two-dimensional Fourier transform on an image of the partial region. The information processing device, based on results obtained by executing the two-dimensional Fourier transform on each of the partial regions, performs clustering of frequency strengths obtained from the results of the two-dimensional Fourier transform. The information processing device determines regions of different crystallinity in the image, based on results of the clustering.

Information processing device, information processing method, and recording medium recorded with information processing program preliminary class

An information processing device acquires an image captured by a transmission electron microscope. The information processing device, for each partial region in the image, calculates a variation in pixel values of pixels included in the partial region. The information processing device, for each partial region in the image, determines a degree of crystallinity of the partial region based on the calculated variation in the pixel values of the partial region.

Information processing device, information processing method, and recording medium recorded with information processing program

The present disclosure provides an information processing system and an information processing method that, in a material analyzing service that is provided via a network, can appropriately manage data of a high degree of confidentiality. The system and method involve a user terminal that provides a data ID to a combination of first data that relates to a material, and second data that is data obtained by measuring the material and is data whose degree of confidentiality is lower than the first data. The user terminal stores the first data and data ID and transmits the second data and data ID to an information processing device. The information processing device carries out material analysis corresponding to the second data and transmits analysis results data to the user terminal. Accordingly, data having a high degree of confidentiality can be managed appropriately in a material analyzing service over a network.

Information processing system and information processing method

An information processing device acquires a material formation image representing a formation of a material, the material formation image being obtained by imaging the material. The information processing device generates a Fourier transform result representing a power spectrum by applying a Fourier transform to the acquired material formation image. The information processing device, on the basis of the Fourier transform result of the material formation image, employs an expectation-maximization algorithm to generate a size distribution of structures forming the material.

A method for producing a rare earth magnet, including preparing a melt of a first alloy having a composition represented by (RRR)TBM(wherein Ris a light rare earth element, Ris an intermediate rare earth element, Ris a heavy rare earth element, T is an iron group element, and Mis an impurity element, etc.), cooling the melt of the first alloy at a rate of from 10to 10K/sec to obtain a first alloy ingot, pulverizing the first alloy ingot to obtain a first alloy powder having a particle diameter of 1 to 20 &#x3bc;m, preparing a melt of a second alloy having a composition represented by (RR)M(wherein Ris a light rare earth element, Ris an intermediate or heavy rare earth element, Mis an alloy element, etc.), and putting the first alloy powder into contact with the melt of the second alloy.

Production method of rare earth magnet

A magnetic compound represented by the formula (RR)(FeCo)TMwherein Ris one or more elements selected from the group consisting of Sm, Pm, Er, Tm and Yb, Ris one or more elements selected from the group consisting of Zr, La, Ce, Pr, Nd, Eu, Gd, Tb, Dy, Ho and Lu, T is one or more elements selected from the group consisting of Ti, V, Mo, Si and W, M is one or more elements selected from the group consisting of unavoidable impurity elements, Al, Cr, Cu, Ga, Ag and Au, 0&#x2264;x&#x2264;0.7, 0&#x2264;y&#x2264;0.7, 4&#x2264;a&#x2264;20, b=100-a-c-d, 0&#x3c;c&#x3c;7.7, and 0&#x2264;d&#x2264;3, the magnetic compound having a ThMn-type crystal structure, wherein the volume fraction of &#x3b1;-(Fe, Co) phase is less than 12.3%.

Magnetic compound and production method thereof

To provide a motor control method ensuring that dragging loss at the time of high rotation can be reduced. A motor control method, wherein a composite permanent magnet has a core part and a shell part, the Curie temperature of one of the core part and the shell part is TK, and the Curie temperature of another is TK, and wherein when the magnitude of the reluctance torque is equal to or greater than the magnitude of the magnet torque, the temperature of the composite permanent magnet is set at TK that is (T&#x2212;100) K or higher and lower than TK and when the magnitude of the reluctance torque is less than the magnitude of the magnetic torque, the temperature of the composite permanent magnet is set at lower than the temperature TK or TK, whichever is lower.

Motor control method

A rare earth magnet includes a main phase, a grain boundary phase present around the main phase and an intermediate phase interposed between the main phase and the grain boundary phase, and has an overall composition that is represented by the formula ((CeLa)R)TBM(RM)(where, Rand Rare rare earth elements other than Ce and La, T is at least one selected from among Fe, Ni, and Co, Mis an element having a small amount that does not influence magnetic characteristics, and Mis an alloy element for which a melting point of RMis lower than a melting point of R). A total concentration of Ce and La is higher in the main phase than in the intermediate phase, and a concentration of Ris higher in the intermediate phase than in the main phase.

Rare earth magnet and method of producing the same

To provide a rare earth magnet ensuring excellent magnetic anisotropy while reducing the amount of Nd, etc., and a manufacturing method thereof. A rare earth magnet comprising a crystal grain having an overall composition of (R2R1)FeCoBTM(wherein R2 is at least one of Nd, Pr, Dy and Tb, R1 is an alloy of at least one or two or more of Ce, La, Gd, Y and Sc, TM is at least one of Ga, Al, Cu, Au, Ag, Zn, In and Mn, 0&#x3c;x&#x3c;1, y=12 to 20, z=5.6 to 6.5, w=0 to 8, and v=0 to 2), wherein the average grain size of the crystal grain is 1,000 nm or less, the crystal grain consists of a core and an outer shell, the core has a composition of R1 that is richer than R2, and the outer shell has a composition of R2 that is richer than R1.

Rare-earth magnet and method for manufacturing same

A method for producing a raw material powder of a permanent magnet, includes: preparing a material powder of a permanent magnet, measuring magnetic characteristics of the material powder, and judging the quality of the material powder as the raw material powder based on a preliminarily determined relation between magnetic characteristics and the structure of the material powder. A method for producing a permanent magnet includes integrating material powders judged as good in the step of judging the quality as raw material powders by the method for producing a raw material powder of a permanent magnet. A method for inspecting a permanent magnet material powder includes transmitting a magnetic field to a material powder of a permanent magnet, receiving the magnetic field from the material powder, and measuring a magnetic field difference between the transmitted magnetic field and the received magnetic field as magnetic characteristics of the material powder.

Permanent magnet source powder fabrication method, permanent magnet fabrication method, and permanent magnet raw material powder inspection method

Growing community of inventors

Sunto-gun, Japan

Masao Yano