搜索结果: 1-15 共查到“材料科学基础学科 metal”相关记录19条 . 查询时间(0.113 秒)
A356铝合金因其具有良好的铸造性能、焊接性能、耐腐蚀性能以及综合力学性能，因此被广泛应用于航空航天和汽车运输行业。但随着应用领域技术进步和发展，对A356合金性能提出了更高的要求，然而由于其铸态组织中含有粗大枝晶结构和针状共晶硅组织限制了A356合金性能的进一步提高，从而限制了A356合金的应用。
Maize, not metal, key to native settlements' history in New York（图）
Maize metal key native settlements history New York
2020/3/27
New research is producing a more accurate historical timeline for Native American sites in upstate New York, based on radiocarbon dating of organic materials and statistical modeling.The results are&#...
重庆理工大学材料科学与工程学院材料加工系材料成形技术基础课件第二章 Metal Casting Design, Materials, and Economics
重庆理工大学材料科学与工程学院 材料加工系材料成形技术基础 课件 第二章 Metal Casting Design, Materials, and Economics
2013/8/16
重庆理工大学材料科学与工程学院材料加工系材料成形技术基础课件第二章 Metal Casting Design, Materials, and Economics。
FEM study of extrusion complexity and dead metal zone
Cold extrusion Solid profiles Shape complexity
2009/12/3
Purpose: Quality of the extruded product and efficiency of the manufacturing process can be seriously affected by inconsistent metal flow through the extrusion die. Metal flow problems can also signif...
Influence of ECAP technology on the metal structures and properties
Nanomaterials ECAP Microstructure Mechanical properties
2009/12/1
Purpose: The purpose of the paper is the verification of functionality of the ECAP technology at extrusion of the
copper, alluminium alloys, magnesium alloys and steel.
Design/methodology/approach: ...
State of the art of metal reoxidation study of iron castings
Metallic alloys Metal reoxidation Oxygen activity measurement
2009/12/1
Purpose: Metal reoxidation causes a number of iron castings defects, particularly when pouring them in greensand
moulds. One of them is pinholes the occurrence of which is explained by several hypoth...
Relationship between stream forces and parameters of the powder injection into metal bath
Metallic alloys Casting Pneumatic conveying Powder injection
2009/12/1
Purpose: The pneumatic method of introduction of various powders into ladle or metallurgical furnaces is use
because of its many advantages. There are no problems with use of injection lances in elec...
Influence of wall thickness of spheroidal cast iron, manufactured in the foundry METAL-ODLEW Sp.J., on its graphite shape index and ultrasonic control index
Spheroidal cast iron Graphite shape index Ultrasonic control index
2009/6/18
This work presents the results of ultrasonic evaluation of the microstructure of spheroidal cast iron manufactured under production condi-tions at the foundry of Metal Odlew Sp.J. Evaluation of ultras...
Influence of graphite precipitation shape and number on tensile strength of spheroidal cast iron manufactured in the foundry METAL-ODLEW Sp.J
Spheroidal cast iron Mechanical properties Microstructure
2009/6/18
The study assesses influence of graphite precipitation shape and number on tensile strength of spheroidal cast iron manufactured under production conditions.
Ultrasonic assessment of shape index and number of graphite precipitations in spheroidal cast iron manufactured in the foundry METAL-ODLEW Sp.J
Spheroidal cast iron Graphite shape index Average number of graphite precipitations Ultrasonic wave velocity
2009/6/15
This study presents the results of testing the shape index, number of graphite precipitations, and longitudinal ultrasound wave velocity with wedge castings used for production of samples for the asse...
Synthesis of polyacrylate/polyethylene glycol interpenetrating network hydrogel and its sorption of heavy-metal ions
hydrogel interpenetrating network polyacrylate/polyethylene glycol
2009/3/31
A simple two-step aqueous polymerization method was introduced to synthesize a polyacrylate/polyethylene glycol (PAC/PEG) interpenetrating network (IPN) hydrogel. On the basis of the effects of the ra...
Defining the relation between mechanical properties and ultrasonic wave velocity in spheroidal cast iron manufactured in the foundry Metal-Odlew s.c.
spheroidal cast iron mechanical properties ultrasonic control index
2009/2/26
This work presents results of ultrasonic evaluation of mechanical properties of spheroidal cast iron manufactured under the production conditions of Metal-Odlew s.c. Tests were conducted on wedge cast...
Defining the relation between mechanical properties and ultrasonic wave velocity in spheroidal cast iron manufactured in the foundry Metal-Odlew s.c.
spheroidal cast iron mechanical properties ultrasonic control index
2009/2/26
This work presents results of ultrasonic evaluation of mechanical properties of spheroidal cast iron manufactured under the production conditions of Metal-Odlew s.c. Tests were conducted on wedge cast...
Assessment of the influence of magnesium content on the shape and amount of graphite precipitation in spheroidal cast iron manufactured by Metal-Odlew s.c.
spheroidal cast iron decay of spheroidisation effect shape and number of graphite precipitations
2009/2/26
The study presents the influence of time on cast iron spheroidisation, modification of the magnesium content in the alloy, and the influence of the magnesium content on the shape and number of graphit...
Assessment of the influence of magnesium content on the shape and amount of graphite precipitation in spheroidal cast iron manufactured by Metal-Odlew s.c.
spheroidal cast iron decay of spheroidisation effect shape and number of graphite precipitations
2009/2/26
The study presents the influence of time on cast iron spheroidisation, modification of the magnesium content in the alloy, and the influence of the magnesium content on the shape and number of graphit...