Response and failure mechanisms of structural member under high velocity impact

... RESPONSE AND FAILURE MECHANICS OF STRUCTURAL MEMBER UNDER HIGH VELOCITY IMPACT MD JAHIDUL ISLAM (BSc (Hons), BUET) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CIVIL ... problems of concrete targets 1.5 Failure Mechanisms To understand the penetration and/ or perforation process, it is necessary to have a very good idea of the fai...

Ngày tải lên: 10/09/2015, 08:36

... model the behaviour of rigid polyurethane foam under tension and which directly relates the overall mechanical properties of rigid polyurethane foam with the mechanical behaviour of the constituent ... focuses on the tensile mechanical properties of rigid polyurethane foam and establishment of an appropriate cell model The mechanical and struc...

Ngày tải lên: 14/09/2015, 12:24

... three subtropical forests in a region of South China under high air pollution, to investigate how deposited N is processed and examined the importance of DON in N budget The precipitation DIN input ... measurements but including also analysis of dissolved organic N (DON) input in bulk and wet-only precipitation 4138 BGD 4, 4135–4171, 2007 Input- output...

Ngày tải lên: 23/03/2014, 00:20

... overview of the results of the mechanical and metallurgical analysis of structural steel from the World Trade Center (WTC), part of the National Institute of Standards and Technology Investigation of ... loads, and aircraft impact damage on the structural, fire protection, and egress systems Determine and analyze the mechanical and metallurgical properti...

Ngày tải lên: 01/04/2014, 00:20

... Relevant to Bio- Oils 38 v A REVIEW OF THE CHEMICAL AND PHYSICAL MECHANISMS OF THE STORAGE STABILITY OF FAST PYROLYSIS BIO- OILS ABSTRACT Understanding the fundamental chemical and physical ... formed and phase separation occurred 4.3.2 Esterification and Acetalization Adding alcohol (methanol, ethanol, and propanol) and a mineral acid cat...

Ngày tải lên: 19/06/2014, 14:02

... Mechanism of CS-induced lung damage and prevention by vitamin C Figure Mechanism of CS-induced lung damage and prevention by vitamin C Mechanism of CS-induced lung damage and prevention by vitamin ... Figure and lung damage caused by intratracheal instillation of p-BSQ in guinea pigs and prevention by vitamin C Apoptosis Apoptosis a...

Ngày tải lên: 11/08/2014, 08:22

... Worsdell YM, Fuller RW, Barnes PJ: Effects of 5-hydroxytryptamine and 5-hydroxytryptophan infusion on the human cough reflex J Appl Physiol 1993, 74:396-401 Kamei J, Ogawa M, Kasuya Y: Monoamines and ... administered at very high doses Further studies are needed to clarify the pharmacology and mechanisms of antitussive effects of opiates, and to elucidate mechanisms of op...

Ngày tải lên: 13/08/2014, 08:20

... Zhangzhou Pien Tze Huang Pharmaceutical CO., LTD (China) and was supported by the proposal of the Second Development of Pien Tze Huang of the National Ministry of Science and Technology Author ... study of cerebral arteries from spontaneously hypertensive and stroke-prone spontaneously hypertensive rats J Hypertens 1992, 10:1183-1190 Du JR, Xing M, Lin ZR: St...

Ngày tải lên: 13/08/2014, 14:20

... into aging studies of lithium ion batteries from mechanical aspect The last part of this thesis covers explorative studies on local aging mechanisms of all- solid- state thin film lithium ion microbatteries, ... 2.2 All- Solid- State Thin Film Lithium Ion Microbatteries 17 vi Table of Contents 2.3 Aging Studies for Lithium Ion Batteries 20 2....

Ngày tải lên: 09/09/2015, 10:14

... of non-charring polymers under external heat flux 44 2.5 Main fire processes of charring polymers under external heat flux 45 2.6 Main fire processes of intumescent polymers under external heat ... single type of combustible materials, resulting in a lack of overview for different types of combustible materials Investigation of pyrolysis and...

Ngày tải lên: 09/09/2015, 11:28

... 2A and 2B failure assessment of J1-1F 258 7.3.3 Failure assessment for J1-XF 265 7.3.4 Failure assessment of J1-2F 270 7.3.5 Failure assessment of thick-walled joint XN1 ... [1] failure assessment procedures for the assessment of fatigue- cracked CHS X- joints under in-plane bending through both experimental investigations and numerical simulations, an...

Ngày tải lên: 10/09/2015, 09:04

... following this 10 1.2 Solder alloys and solder joints 1.2.1 Solder alloys and rate-dependent mechanical properties (1) Types of solder alloys and the trend to lead-free soldering Solders are commonly ... properties of solder joints 153 4.2.1 Combined loading on solder joints 153 4.2.2 Analysis of solder joint forces under different loading modes 159 4.2.3...

Ngày tải lên: 11/09/2015, 09:58

... laboratory investigation of the interfacial shear stress concentration at the CFRP cut-off regions as well as the failure mode of CFRP -strengthened beams as a function of beam size and FRP thickness 2) ... Founded 1905 EFFECT OF BEAM SIZE AND FRP THICKNESS ON INTERFACIAL SHEAR STRESS CONCENTRATION AND FAILURE MODE IN FRP- STRENGT...

Ngày tải lên: 05/10/2015, 19:02

... fruitful ways of investing public (and private) money RESULTS The energy cost-benefit analysis One of the main ecological justifications of the HSR projects would be the energy savings and the expected ... partridges and wolves) and a very rich diversity of flower The first HSR proposal dates back to the end of the eighties, and soon after the oppositi...

Ngày tải lên: 20/02/2014, 19:20

... event at the temperature below )10 °C Reversibility of low temperature inactivation of CPY under high pressure Time-dependent recovery of CPY activity was observed after the release of pressure (Fig ... subzero temperature Effects of denaturing agents upon cold inactivation of CPY under high pressure Fig Change in CPY activity following the release of pr...

Ngày tải lên: 08/03/2014, 10:20