Results 31 to 40 of about 1,342 (207)

Microstructure and mechanism of adiabatic shear fracture during serrated chip formation of hard machining

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
The formation and development of serrated chip morphology and adiabatic shear bands (ASBs) and the microstructure of fracture surfaces in the serrated chips during hard machining of hardened alloy steel are observed, the mechanism of adiabatic shear ...
Chunzheng DUAN, Minjie WANG
doaj   +1 more source

High Speed Blanking: An Experimental Method to Measure Induced Cutting Forces [PDF]

, 2013
Lien vers la version éditeur: http://link.springer.com/article/10.1007/s11340-013-9738-1A new blanking process that involves punch speed up to 10 ms −1 has obvious advantages in increased productivity.
LARUE, Arnaud, RANC, Nicolas, MAILLARD, André, LORONG, Philippe, MAILLARD, A, GAUDILLIERE, Camille   +5 more
core   +1 more source

DYNAMICS OF ADIABATIC SHEAR [PDF]

, 1991
The formation of adiabatic shear bands is examined with an approximate analytic model. The shear band is viewed as a propagating feature with a well-defined front.
D.E. GRADY
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0.1wt% Boron addition Effect on dynamic compressive mechanical properties of Ti-6Al-4V alloy

MATEC Web of Conferences, 2016
0.1wt% Boron addition effect on dynamic compression properties of Ti-6Al-4V (Ti-64A) alloy are investigated by Split Hopkinson Pressure Bar (SHPB). In the study, and relative damage mechanism is also analyzed.
Yu Yang, Hui Songxiao, Mi Xujun, Ye Wenjun, Gao Qi   +4 more
doaj   +1 more source

ADIABATIC SHEAR BAND FORMATION IN AL-SIC(W) COMPOSITES [PDF]

, 1993
The objective of this study is to investigate the adiabatic shear band formation in 2124-T6 aluminum composites reinforced with SiC whiskers. The composites were deformed at high strain rates by ballistic impact.
Kyung-Mox Cho, Won Bong Choi, CHOI, WB, Sunghak Lee, CHO, KM, KIM, KC, LEE, SH, Ki Chong Kim   +7 more
core   +1 more source

Adiabatic Shear Localization in High Speed Cutting of Hardened Steel [PDF]

, 2011
The formation and development of adiabatic shear localization in serrated chips have great significance to study of mechanism of high speed cutting. This paper investigates the theory prediction and experimental verification of the critical cutting speed
Zhao Xi Wang, Min Jie Wang, Chun Zheng Duan, Wei Sen Kong   +3 more
core   +1 more source

Improving dynamic mechanical properties and inhibiting adiabatic shear bands of the molybdenum single crystal by adding Nb element

Journal of Materials Research and Technology
The adiabatic shear band is a common dynamic failure mechanism in metal materials at high strain rates. In this work, a new approach was proposed to improve mechanical properties and inhibit the formation and propagation of the adiabatic shear band in ...
Zhenchuan Li, Benqi Jiao, Weiwei Zhang, Wen Zhang, Jianfeng Li   +4 more
doaj   +1 more source

On dynamic response and fracture-induced initiation characteristics of aluminum particle filled PTFE reactive material using hat-shaped specimens

Materials & Design, 2020
Dynamic response and fracture-induced initiation characteristics of aluminum particle filled polytetrafluoroethylene (PTFE/Al) reactive material was studied in two experimental configurations: (a) thin disks for compression and (b) hat-shaped specimens ...
Chao Ge, Qingbo Yu, Hao Zhang, Zhuojun Qu, Haifu Wang, Yuanfeng Zheng   +5 more
doaj   +1 more source

Development of adiabatic shear band in cold-rolled titanium [PDF]

, 2011
The evolution of adiabatic shear localization in commercial titanium subjected to heavy cold rolling was investigated. The evolution of the morphology, microhardness, local shear strain, and local temperature increments were systematically studied and ...
Yang, Dengke, Yang An, Cizek, Pavel, Dengke Yang, An, Yang (R18330), Peter Hodgson, Pavel Cizek, Hodgson, Peter D.   +7 more
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Component Analysis of Adiabatic Shear Band Formed in High Speed Cutting of High Strength Alloy Steel [PDF]

, 2011
The component distribution of adiabatic shear banding during high speed cutting(HSC) is important to understand the phase transformation during formation of adiabatic shear band and mechanism of serrated chip formation.
Zhao Xi Wang, Min Jie Wang, Chun Zheng Duan, Wei Sen Kong   +3 more
core   +1 more source