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Experimental and computational analysis of the coolant distribution considering the viscosity of the cutting fluid during machining with helical deep hole drills
Springer Science and Business Media LLC - Tập 10 - Trang 235-249 - 2022
Ekrem Oezkaya, Sebastian Michel, Dirk Biermann
An experimental analysis regarding the distribution of the cutting fluid is very difficult due to the inaccessibility of the contact zone within the bore hole. Therefore, suitable simulation models are necessary to evaluate new tool designs and optimize drilling processes. In this paper the coolant distribution during helical deep hole drilling is analyzed with high-speed microscopy. Micro particl...... hiện toàn bộ
Coupling effect of micro-textured tools and cooling conditions on the turning performance of aluminum alloy 6061
Springer Science and Business Media LLC - - 2023
Hifzur R. Siddique, Jintao Zheng, Chuanzhen Huang, Shufeng Sun, Xin-Fu Liu, Long-Jie Dai, Dexiang Wang, Xiangyu Wang
Digitalization and intelligentization of manufacturing industry
Springer Science and Business Media LLC - Tập 1 - Trang 1-7 - 2013
Ji Zhou
Effects of boron content on environmental embrittlement of ordered Ni3Fe alloys
Springer Science and Business Media LLC - Tập 7 - Trang 221-227 - 2019
Tao Chen, Ye-Xin Chen, Biao Yang, Teng Wang
The effects of boron content (CB = 0–0.14% (mass fraction)) on the tensile properties and environmental embrittlement of ordered Ni-24%Fe (atom fraction)-B (Ni3Fe-B) alloys have been investigated using tensile tests in vacuum and under gaseous hydrogen. The results indicate that, when CB < 0.06% (mass fraction), the tensile strength and elongation of the alloys in vacuum and gaseous hydrogen incre...... hiện toàn bộ
A comparison between friction stir welding, linear friction welding and rotary friction welding
Springer Science and Business Media LLC - Tập 4 - Trang 296-304 - 2016
Achilles Vairis, George Papazafeiropoulos, Andreas-Marios Tsainis
Three friction welding processes are compared for temperature, stresses and strains, as well as strain rates developed in the early phases of the processes, which are essential in their successful development. These are friction stir welding (FSW), linear friction welding (LFW) and rotary friction welding (RFW). Their common characteristic is the use of friction to generate adequate energy and rai...... hiện toàn bộ
Fabrication of hierarchical polycaprolactone/gel scaffolds via combined 3D bioprinting and electrospinning for tissue engineering
Springer Science and Business Media LLC - - 2014
Yong-Ze Yu, Lu-Lu Zheng, Hai-Ping Chen, Wei-Hua Chen, Qing-Xi Hu
It is a severe challenge to construct 3D scaffolds which hold controllable pore structure and similar morphology of the natural extracellular matrix (ECM). In this study, a compound technology is proposed by combining the 3D bioprinting and electrospinning process to fabricate 3D scaffolds, which are composed by orthogonal array gel microfibers in a grid-like arrangement and intercalated by a nonw...... hiện toàn bộ
Research on parameter identification of fracture model for titanium alloy under wide stress triaxiality based on machine learning
Springer Science and Business Media LLC - - 2024
Rui Feng, Ming-He Chen, Ning Wang, Lan-Sheng Xie
The abilities to describe the fracture behavior and calibrate the relevant parameters are essential factors in evaluating ductile fracture criteria of titanium alloys. In this study, 14 different shapes and notched specimens were designed for uniaxial tensile and compression experiments to characterize their ductile fracture behaviors. Based on the analysis of plastic behavior and fracture mechani...... hiện toàn bộ
Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel
Springer Science and Business Media LLC - Tập 1 - Trang 362-377 - 2013
A. G. Kamble, R. Venkata Rao
Gas metal arc welding (GMAW) develops an arc by controlling the metal from the wire rod and the input process parameters. The deposited metal forms a weld bead and the mechanical properties depend upon the quality of the weld bead. Proper control of the process parameters which affect the bead geometry, the microstructures of the weldments and the mechanical properties like hardness, is necessary....... hiện toàn bộ
Molybdenum alloying in high-performance flat-rolled steel grades
Springer Science and Business Media LLC - Tập 8 - Trang 15-34 - 2020
Pello Uranga, Cheng-Jia Shang, Takehide Senuma, Jer-Ren Yang, Ai-Min Guo, Hardy Mohrbacher
Considerable progress in developing flat-rolled steel grades has been made by the Chinese steel industry over the recent two decades. The increasing demand for high-performance products to be used in infrastructural projects as well as in production of consumer and capital goods has been driving this development until today. The installation of state-of-the-art steel making and rolling facilities ...... hiện toàn bộ
Fabrication and functional characterization of engineered features on pyrolytic carbon
Springer Science and Business Media LLC - Tập 4 - Trang 134-141 - 2016
Vivek Bajpai, Bablu Prasad, Ramesh Singh
Engineered features on pyrolytic carbon (PyC) have been reported to improve the functional performance of the bio-implants. This paper is focused on the functional characterization of micro-features created on the surface of PyC. Two different types of micro-features (wide channels and arrayed holes) have been created by micro-electrical discharge machining (micro-EDM). Two other micro-features (f...... hiện toàn bộ
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