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Proceedings Papers

Experimental Investigation Into the Spatter Particle Behaviour of Maraging Steel During Selective Laser Melting

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Tatsuaki Furumoto, Kyota Egashira, Kazushi Oishi, Satoshi Abe, Yohei Hashimoto, Tomohiro Koyano, Akira Hosokawa
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T01A001, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8521
https://doi.org/10.1115/LEMP2020-8521
View Paper titled, Experimental Investigation Into the Spatter Particle Behaviour of Maraging Steel During Selective Laser Melting
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Topics: Imaging, Lasers, Melting, Particulate matter, Steel, Surface roughness
Proceedings Papers

Microstructure and Mechanical Properties of AlSi12CuNi Alloy Fabricated by Selective Laser Melting

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Akihiro Hirayama, Koichi Kaizu, Masaaki Kimura, Masahiro Kusaka
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T01A002, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8526
https://doi.org/10.1115/LEMP2020-8526
View Paper titled, Microstructure and Mechanical Properties of AlSi12CuNi Alloy Fabricated by Selective Laser Melting
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Topics: Alloys, Lasers, Mechanical properties, Melting
Proceedings Papers

High Efficiency Molding by Real-Time Control of Distance Between Nozzle and Melt Pool in Directed Energy Deposition Process

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Kengo Aizawa, Masahiro Ueda, Teppei Shimada, Hideki Aoyama, Kazuo Yamazaki
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T01A004, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8598
https://doi.org/10.1115/LEMP2020-8598
View Paper titled, High Efficiency Molding by Real-Time Control of Distance Between Nozzle and Melt Pool in Directed Energy Deposition Process
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Topics: Molding, Nozzles, Real-time control, Materials properties, Additive manufacturing, Metals, Modeling, Cladding systems (Building), Errors, Flow (Dynamics)
Proceedings Papers

Calibration and Compensation of Rotary Axis Angular Positioning Deviations on a SCARA-Type Industrial Robot Using a Laser Tracker

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Nan Zhao, Soichi Ibaraki
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T02A001, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8502
https://doi.org/10.1115/LEMP2020-8502
View Paper titled, Calibration and Compensation of Rotary Axis Angular Positioning Deviations on a SCARA-Type Industrial Robot Using a Laser Tracker
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Topics: Calibration, Kinematics, Lasers, Robots
Proceedings Papers

Visualization of Dynamically Changing Cutting Force Under Ultrasonic Cutting Condition

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Hiromi Isobe, Masataka Okuda, Keisuke Hara, Akira Sakurada, Jun Ishimatsu
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T03A029, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8606
https://doi.org/10.1115/LEMP2020-8606
View Paper titled, Visualization of Dynamically Changing Cutting Force Under Ultrasonic Cutting Condition
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Topics: Cutting, Visualization, Vibration, Stress concentration, Cutting tools, Dynamometers, Electromagnetic spectrum, Emissions, Flames, Imaging
Proceedings Papers

Profile Measurement by Using a Femtosecond Laser Chromatic Confocal Probe

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Ryo Sato, Yuki Shimizu, Hiraku Matsukuma, Wei Gao
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A008, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8626
https://doi.org/10.1115/LEMP2020-8626
View Paper titled, Profile Measurement by Using a Femtosecond Laser Chromatic Confocal Probe
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Topics: Lasers, Probes, Resolution (Optics), Thermal stability
Proceedings Papers

In-Liquid Laser Nanomachining by Photonic Nanojet in Laser Trapping System

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Reza Aulia Rahman, Tsutomu Uenohara, Yasuhiro Mizutani, Yasuhiro Takaya
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A001, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8500
https://doi.org/10.1115/LEMP2020-8500
View Paper titled, In-Liquid Laser Nanomachining by Photonic Nanojet in Laser Trapping System
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Topics: Finite difference time-domain analysis, Laser trapping, Lasers, Machining
Proceedings Papers

Development of an Optical Angle Sensor With a Mode-Locked Femtosecond Laser Source for Surface Profile Measurement

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Yuki Shimizu, Shota Takazono, Yuri Kanda, Hiraku Matsukuma, Wei Gao, Hajime Inaba
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A002, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8501
https://doi.org/10.1115/LEMP2020-8501
View Paper titled, Development of an Optical Angle Sensor With a Mode-Locked Femtosecond Laser Source for Surface Profile Measurement
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Topics: Fibers, Lasers, Sensors
Proceedings Papers

Sub-Micrometer Scale Laser Machining Using Position Controlled Photonic Nanojet

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Tsutomu Uenohara, Yasuhiro Mizutani, Yasuhiro Takaya
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A004, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8511
https://doi.org/10.1115/LEMP2020-8511
View Paper titled, Sub-Micrometer Scale Laser Machining Using Position Controlled Photonic Nanojet
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Topics: Lasers, Machining, Micromachining, Simulation
Proceedings Papers

Ultrasonic Nondestructive Evaluation Methods Applicable to High-Temperature Environments Based on Optical Fiber Remote Sensing

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Yoji Okabe, Fengming Yu, Osamu Saito
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A005, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8519
https://doi.org/10.1115/LEMP2020-8519
View Paper titled, Ultrasonic Nondestructive Evaluation Methods Applicable to High-Temperature Environments Based on Optical Fiber Remote Sensing
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Topics: High temperature, Lasers, Nondestructive evaluation, Optical fiber
Proceedings Papers

Proposal of High-Quality Laser Hardening System for Shaft Parts Using Cylindrical Mirror and Ring-Beam Shaped by High-Speed Laser Scan System

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Hirotaka Tanabe, Keiji Ogawa, Heisaburo Nakagawa, Hirohito Tsukada, Yuki Goto
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T09A001, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8527
https://doi.org/10.1115/LEMP2020-8527
View Paper titled, Proposal of High-Quality Laser Hardening System for Shaft Parts Using Cylindrical Mirror and Ring-Beam Shaped by High-Speed Laser Scan System
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Topics: Laser hardening, Lasers, Mirrors
Proceedings Papers

Control of Laser-Induced Periodic Surface Structures Assisted by Mechanical Processing

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Shuhei Kodama, Ryohei Takase, Keita Shimada, Masayoshi Mizutani, Tsunemoto Kuriyagawa
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T09A002, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8542
https://doi.org/10.1115/LEMP2020-8542
View Paper titled, Control of Laser-Induced Periodic Surface Structures Assisted by Mechanical Processing
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Topics: Lasers, Machining, Plasma waves, Shapes
Proceedings Papers

Debonding Detection at Core/Skin Interfaces in a Honeycomb Sandwich Structure Using a Laser Ultrasonic Visualization Method

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Enhi Sen, Osamu Saito, Nobuhiro Higuchi, Yoji Okabe
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A006, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8541
https://doi.org/10.1115/LEMP2020-8541
View Paper titled, Debonding Detection at Core/Skin Interfaces in a Honeycomb Sandwich Structure Using a Laser Ultrasonic Visualization Method
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Topics: Honeycomb structures, Lasers, Sandwich structures, Skin, Visualization, Waves
Proceedings Papers

Development of High-Performance Polycrystalline CVD Diamond Coated Cutting Tool Edge With Femtosecond Laser

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Xiaoxu Liu, Kohei Natsume, Satoru Maegawa, Fumihiro Itoigawa
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T09A003, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8551
https://doi.org/10.1115/LEMP2020-8551
View Paper titled, Development of High-Performance Polycrystalline CVD Diamond Coated Cutting Tool Edge With Femtosecond Laser
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Topics: Cutting tools, Lasers, Synthetic diamonds
Proceedings Papers

Generation of Micro Texture Including Calcium and Phosphorus Elements on Titanium Alloy for Improvement of Biocompatibility With Laser Induced Mist Surface Treatment

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Atsushi Ezura, Kazutoshi Katahira, Jun Komotori
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T08A016, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8597
https://doi.org/10.1115/LEMP2020-8597
View Paper titled, Generation of Micro Texture Including Calcium and Phosphorus Elements on Titanium Alloy for Improvement of Biocompatibility With Laser Induced Mist Surface Treatment
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Topics: Biocompatibility, Lasers, Surface finishing, Texture (Materials), Titanium alloys
Proceedings Papers

Precise Identification of Principal Stress Directions Induced in Laser Cleaving Process

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Duo Zhang, Keiji Yamada, Yuki Nakajima, Ryutaro Tanaka, Katsuhiko Sekiya
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T09A005, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8560
https://doi.org/10.1115/LEMP2020-8560
View Paper titled, Precise Identification of Principal Stress Directions Induced in Laser Cleaving Process
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Topics: Lasers, Stress, Thermal stresses
Proceedings Papers

Precision Coating of ta-C Films on Quartz Surfaces

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Kotaro Kawai, Yuki Hirata, Hiroki Akasaka, Naoto Ohtake
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T05A007, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8589
https://doi.org/10.1115/LEMP2020-8589
View Paper titled, Precision Coating of ta-C Films on Quartz Surfaces
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Topics: Carbon, Coating processes, Coatings, Diamonds, Quartz, Raman spectroscopy, Vacuum, Atoms, Diamond films, Automobiles
Proceedings Papers

Investigation of Laser Hardening Forming Method for Thin Steel Plate From a View of Origami Engineering

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Yuki Manabe, Hiromichi Nishida, Hirokazu Onishi, Toshiki Hirogaki, Eiichi Aoyama
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T09A006, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8588
https://doi.org/10.1115/LEMP2020-8588
View Paper titled, Investigation of Laser Hardening Forming Method for Thin Steel Plate From a View of Origami Engineering
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Topics: Laser hardening, Steel, Lasers, Quenching (Metalworking), Deformation, Machine tools, Machinery, Resilience, Steel sheet