搜索结果: 1-15 共查到“材料科学 heat”相关记录66条 . 查询时间(0.094 秒)
Researchers have found a way to make cheap thermoelectrics that work just as well as the pricey kind. The work could pave the way for a new generation of greener car engines, industrial furnaces, and ...
中国地质大学科学技术发展院王金杰，苑庆旺等资源学院 International Journal of Heat and Mass Transfer，17August 2017. Experimental investigation of gas mass transport and diffusioncoefficients in porous media with nanopores
纳米；孔隙；介质；气体；运移；扩散系数
2021/10/21
2017年9月，中中国地质大学资源学院王金杰副教授于国际著名期刊《International Journal of Heat and Mass Transfer》上在线发表了科技论文《纳米孔隙介质中气体运移及扩散系数的实验研究》(Experimental investigation of gas mass transport and diffusion coefficients in porous...
2017年纳米热传输研讨会（Symposium NM2—Nanoscale Heat Transport—From Fundamentals to Devices）
2017年 纳米热传输 研讨会
2017/3/10
Fundamental length scales such as the mean free path and the wavelength of energy carriers – e.g. electrons, phonons or photons - fall in the range of 1 – 10000 nm with corresponding average lifetimes...
西安交通大学材料科学与工程学院工程材料基础英文课件Chapter3 HEAT TREATMENT OF STEEL
西安交通大学材料科学与工程学院 工程材料基础 英文 课件 Chapter3 HEAT TREATMENT OF STEEL
2017/3/7
西安交通大学材料科学与工程学院工程材料基础英文课件Chapter3 HEAT TREATMENT OF STEEL.
New method uses heat flow to levitate variety of objects
heat flow levitate variety objects
2017/3/14
Although scientists have been able to levitate specific types of material, a pair of UChicago undergraduate physics students helped take the science to a new level.Third-year Frankie Fung and fourth-y...
First-ever videos show how heat moves through materials at the nanoscale and speed of sound
First-ever videos heat moves materials nanoscale speed of sound
2016/4/25
Using a state-of-the-art ultrafast electron microscope, University of Minnesota researchers have recorded the first-ever videos showing how heat moves through materials at the nanoscale traveling at t...
Three-dimensional structures of boron nitride might be the right stuff to keep small electronics cool, according to scientists at Rice University.Rice researchers Rouzbeh Shahsavari and Navid Sakhavan...
西安交通大学工程材料基础课件Chapter3 HEAT TREATMENT OF STEEL
西安交通大学 工程材料基础 课件 Chapter3 HEAT TREATMENT OF STEEL
2014/7/25
西安交通大学工程材料基础课件Chapter3 HEAT TREATMENT OF STEEL。
Effect of heat treatment on the microstructure, hardness and abrasive wear resistance of high chromium hardfacing
destabilized austenite carbide dry rubber wheel test factorial regression GMAW toughness
2014/2/24
The effect of destabilization heat treatment on the microstructure, hardness, fracture toughness and abrasive wear
resistance of high chromium hardfacing was investigated. The results from the study...
rid graded element model for transient heat conduction in functionally graded materials
Graded element model Functionally graded materials Hybrid FEM Transient heat conduction
2012/2/24
This paper presents a hybrid graded element model for the transient heat conduction problem in functionally graded materials (FGMs). First, a Laplace transform approach is used to handle the time vari...
Hydrogen embrittlement of welded joints for the heat-treatable XABO 960 steel heavy plates
Hydrogen embrittlement welded joints the heat-treatable XABO 960
2010/8/11
HSLA type (High Strength Low Alloy) weldable constructional C-Mn steels, containing microadditions with strong chemical affinity for both carbon and nitrogen, i.e. Nb, Ti and V in an amount of up to 0...
Microstructure analysis of the modified casting magnesium alloys after heat and laser treatment
Magnesium alloys Heat treatment Laser treatment
2009/12/14
Purpose: In this paper there is presented the structure of the modeling cast magnesium alloy EN-MCMgAl6Zn1 as cast state, after heat treatment and laser treatment.
Design/methodology/approach: The pr...
Selection of heat treatment condition of the Mg-Al-Zn alloys
Heat treatment Magnesium alloys Mechanical properties
2009/12/14
Purpose: Main aim of this paper are results of the optimization of heat treatment conditions, which are temperature and heating time during solution heat treatment or ageing as well the cooling rate a...
Effect of heat treatment on tensile and fracture toughness properties of 6082 alloy
Metallic alloys Fracture mechanics Mechanical properties
2009/12/14
Purpose: The present study investigates the effect of heat treatment parameters (temperature and time) on the tensile properties and fracture toughness of 6082 aluminium alloy.
Design/methodology/app...
Computer simulation of working stress of heat treated steel specimen
Heat treatment Computer simulation Microstructure
2009/12/14
Purpose: In this paper, the prediction of working stress of quenched and tempered steel has been done. The working stress was characterized by yield strength and fracture toughness. The method of comp...