Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Songmei Yuan"'
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3655-3669 (2024)
High volume fraction (45 %) silicon carbide particle-reinforced Al matrix composites (SiCp/Al-MMCs) play an important role in various engineering fields due to their excellent properties, but the high hardness and brittleness of the SiC reinforcement
Externí odkaz:
https://doaj.org/article/9a76887f19df46e3b8d4d4b0b63b278c
Publikováno v:
Materials, Vol 17, Iss 21, p 5260 (2024)
The fabrication of micro-holes in hard-to-machine materials presents considerable challenges in precision machining. This study proposes a novel approach that employs high-strength micro-grinding tools with a central abrasive grain absence to create
Externí odkaz:
https://doaj.org/article/bea99eb1e2fc4713a4a4d5a8cf7dc08c
Publikováno v:
Materials, Vol 17, Iss 19, p 4814 (2024)
Helical grinding is crucial for manufacturing small holes in hard-to-machine composite ceramics. This study introduces a geometric model of undeformed chips to analyze the cutting characteristics of abrasive grains on both the bottom and side edges o
Externí odkaz:
https://doaj.org/article/49cb9ee15cfb4221a058d9b9d3b390f9
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 3408-3425 (2023)
SiC/SiC (SiC fiber-reinforced SiC matrix) composites have superior performance, making them promising candidates as one of the best materials for high-temperature components in aerospace applications. This investigation analyzed the morphology, struc
Externí odkaz:
https://doaj.org/article/67dc34faa27044d4bd334200a3284155
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 42, Iss 5, Pp 626-636 (2022)
Single particle diamond cutting experiments are designed to research the micro scratching process and material removal mechanism of GT35 steel bonded cemented carbide. The value of linear scale coefficient k is estimated as well. The exact value of k
Externí odkaz:
https://doaj.org/article/ef14d5f9630b4f178ca87c8b59145e18
Publikováno v:
Materials, Vol 17, Iss 2, p 470 (2024)
The application range of fused silica optical components can be expanded and the cost of fused silica components can be reduced by depositing the same material film on fused silica substrate. However, due to the different manufacturing process, the p
Externí odkaz:
https://doaj.org/article/cca8b16629cb45a59208623dde18fb29
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 42, Iss 3, Pp 338-347 (2022)
Side milling experiments with small diameter grinding rods were carried out on TiC particle-reinforced steel-matrix composite to investigate the reasonable machining parameters and the cooling and lubrication conditions for this material, and to unde
Externí odkaz:
https://doaj.org/article/8cc452dbd97949e79ee1d572986b0daf
Publikováno v:
Metals, Vol 12, Iss 7, p 1174 (2022)
Aerospace parts have the characteristics of complex shape and high machining accuracy, the machining processes of which is complicated and diverse. Numerous special tooling fixtures need to be designed to ensure the smooth implementation of the machi
Externí odkaz:
https://doaj.org/article/e4cd51bb69084c8fb9804ad21e8e726a
Publikováno v:
Applied Sciences, Vol 9, Iss 10, p 2018 (2019)
In order to reduce the driving voltage and gain better output characteristics of piezoelectric actuators, an eight-zonal piezoelectric tube-type threaded ultrasonic motor based on two second-order bending modes was analyzed using the method of finite
Externí odkaz:
https://doaj.org/article/6f8cb73014844a7099939a30f4dd3191
Publikováno v:
AIP Advances, Vol 5, Iss 10, Pp 107213-107213-13 (2015)
This paper presents a new linear piezoelectric actuator, which consists of two pieces of piezoelectric ceramics, a copper substrate and a zirconia driving tip. By changing the input signal, the actuator can be chosen to work in a standing wave mode (
Externí odkaz:
https://doaj.org/article/b3734bf782de42c6b2548dd1996fab79