Results 71 to 80 of about 3,702 (174)

Machining Simulation of Recrystallized SiC: Failure Mechanisms, Numerical Influences, Tool Dynamics, and Friction Behavior

Journal of the American Ceramic Society, Volume 109, Issue 6, June 2026.
ABSTRACT This paper presents a comprehensive study on the machining simulation of recrystallized silicon carbide (R‐SiC), with a focus on material failure mechanisms, numerical influences, tool kinematics, and frictional behavior. A representative volume of interest was derived from CT data, and a meshing algorithm for CT‐based structures was ...
Simon Unseld, Stefan Kleiner, Achim Rösiger, Ralf Goller, Dietmar Koch   +4 more
wiley   +1 more source

Microbially induced sedimentary structures in fluvial settings: the gas domes from the Bolzano Megacaldera (Permian, Italy)

Sedimentology, Volume 73, Issue 4, Page 914-944, June 2026.
ABSTRACT Gas domes serve as some of the earliest and most persisting indicators of life on Earth, yet their documentation in continental environments remains sparse. This study aims to bridge this gap by examining gas domes within the Permian fluvial succession of Monte Luco, located in the caldera of the Bolzano Supervolcano. These structures occur as
Andrea Baucon, Steffen Trümper, Corrado Morelli, Carlos Neto de Carvalho, Roberto Cabella, Evelyn Kustatscher   +5 more
wiley   +1 more source

Development and evaluation of the thermal contribution of a vapor chamber cooling structure in the shaft for motor spindle

, 2023
Abstract The thermally induced deformation of motor spindles, which is an essential component of machine tool, takes significant responsibility for the overall processing errors. Traditionally, water-cooling-circuit is applied to dissipate the heat generated in the built-in motor and the bearings.
Feng Liang, Wilko Rohlfs, Liang Xu, Jianmin Gao   +3 more
openaire   +1 more source

Research on the nonlinear dynamic characteristics of opposed high-speed gas bearing systems

Journal of Low Frequency Noise, Vibration and Active Control, 2020
In recent years, the opposed high-speed gas bearing system has been gradually valued and used in the field of precision machinery, especially for precision instruments and mechanisms requiring high speed, high precision, and high rigidity.
Cheng-Chi Wang, Rong-Mao Lee, Chih-Jer Lin, Chih-Yung Huang, Tsui-Er Lee   +4 more
doaj   +1 more source

Research on the Calculation Method for the Contact Stress of Wind Turbine Main Shaft Bearings Based on Finite Element Analysis

Lubricants
Under alternating loads, the contact situation for self-aligning roller bearings in the main shaft of a wind turbine is complex. Few methodologies exist for calculating the contact stress of main shaft bearings.
Yi Zou, Wenlei Sun, Hongwei Wang, Tiantian Xu, Bingkai Wang   +4 more
doaj   +1 more source

A 6‐year‐old boy with left temporal lobe mass

Brain Pathology, Volume 36, Issue 4, July 2026.
Kaiyu Liu, Shilei Zhang, Mengqiu Cao, Renhua Huang, Jiong Hu, Hongda Shao, Yichao Jin, Bingqian Shen, Hongyu Zhou, Lihua Sun, Xiaohua Zhang   +10 more
wiley   +1 more source

Static analysis of multi-turn stepped spindle shafts on nonlinear elastic supports

Bulletin of the National Technical University «KhPI» Series: Dynamics and Strength of Machines
In this paper a mathematical model and a computational technique for the static analysis of multi-support stepped spindle shafts on nonlinear elastic supports are presented. On the basis of the Timoshenko differential equation of the beam's bent axis and the method of initial parameters, a resolving system of equations is obtained that takes into ...
Valerii Havin, Oleksiy Kyrkach, Borys Kyrkach   +2 more
openaire   +3 more sources

Analysis and test of pan-knife plantain stalk green fodder shredding device

Siliao yanjiu, 2023
The cutting uniformity of the plantain stalk green fodder shredding device was studied experimentally, which provided the necessary engineering and technical parameters for optimizing plantain stalk green fodder cutting device.
LIU Cong, ZHU Yun, SUI Yi, YANG Hui-li
doaj  

Study on the Influence of Mechanical Spindle Axial Movement based on ADAMS Simulation Analysis

Jixie chuandong, 2017
Based on a gear tooth fracture case,which is caused by diesel engine crankshaft axial movement. Aiming at the situation that it’s difficult to simulate this fault by experiment,the displacement and movement type can’ t be control.
Jia Yang, Wu Yalong, Wang Zhongmin, Mao Zhiwei, Zhang Jinjie   +4 more
doaj  

Effect of Acoustic Emission Sensor Location on the Detection of Grinding Wheel Deterioration in Cylindrical Grinding

Lubricants
The acoustic emission (AE) technique is an effective method for monitoring grinding wheels, and numerous studies have been published on applying an AE to monitor grinding wheels.
Tomohiko Kon, Hiroki Mano, Hideki Iwai, Yoshiaki Ando, Atsushi Korenaga, Tsuguyori Ohana, Kiwamu Ashida, Yoshio Wakazono   +7 more
doaj   +1 more source