Results 31 to 40 of about 48,328 (261)
Advanced Engineering Materials, EarlyView.Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies +2 more
wiley +1 more source
Applied Sciences, 2019 Cutting regime parameters play an important role in determining the efficiency of the grinding process and the quality of the ground parts. In this study, the influences of the cutting parameters, including the cutting depth (ae), the feed rate (Fe) and ...
Ngoc-Pi Vu +7 more
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Journal of Manufacturing and Materials Processing, 2020 The surface roughness of the ground parts is an essential factor in the assessment of the grinding process, and a crucial criterion in choosing the dressing and grinding tools and parameters.
Siamak Mirifar +2 more
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Multimodal Data‐Driven Microstructure Characterization
Advanced Engineering Materials, EarlyView.A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang +4 more
wiley +1 more source
IEEE Access, 2020 Ceramic grinding processing technology continues to advance rapidly. Recent studies are increasingly adopting ultrasonic-assisted grinding (UAG) for obtaining improved surface quality and reduced surface roughness.
Cheng-Jian Lin +2 more
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KAGAKU KOGAKU RONBUNSHU, 1993 粉砕音による粉砕プロセス計測法に関する研究の一つとして, 単一球形粒子が粉砕ボールの間で粉砕されるときに発生する粉砕音の諸量と粉砕産物の粒度特性の関係を明らかにした.粉砕音の放射機構を提出し, それにもとづく推算音圧波形は測定波形とよく一致した.粉砕音は衝撃力により粉砕ボール表面が急激に加速されるために発生する.単一粒子の破砕状態によりボール表面の加速度が変化するので, 粉砕音の諸量は粉砕産物の粒度特性と密接に関係する.粉砕音の周波数スペクトルから周波数成分の強度と粉砕産物の平均粒子径および粒度分布の広さの関係が得られた.この関係から粉砕音の周波数解析により粉砕産物の粒度分布の計測が可能である.
Hidaka, Jusuke +2 more
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Influence of Test Temperature and Test Frequency on Fatigue Life of Aluminum Alloy EN AW‐2618A
Advanced Engineering Materials, EarlyView.The influence of test temperature and test frequency on the fatigue life of EN AW‐2618A is investigated. High‐cycle fatigue tests are performed at different test temperatures and frequencies on the 1000 h/230°C overaged state. Both test parameters reduce fatigue life due to time‐dependent damage mechanisms.
Ying Han +5 more
wiley +1 more source
Creep Properties and Deformation Mechanism of Additively Manufactured NiAl‐CrMo Composites
Advanced Engineering Materials, EarlyView.Additively manufactured NiAl‐CrMo composites contain numerous interfaces and cell boundaries that control their creep response. At 700°C under high applied stress, creep is dominated by dislocation‐controlled power‐law mechanisms. At 800°C–900°C and lower stresses, creep is primarily diffusion‐controlled along cell boundaries.
Jan Vollhüter +9 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee +7 more
wiley +1 more source
Experimental Study on Precision Grinding of a Ball Screw Raceway
Jixie chuandong, 2023 Aiming at the current problem of low grinding efficiency of domestic ball screw grinding, a new type of ball screw grinding device is proposed. On this basis, a four-factor three-level quadrature test is designed for the four main process parameters of ...
Song Xianchun +3 more
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