搜索结果: 1-14 共查到“材料科学 Ultrasonic”相关记录14条 . 查询时间(0.049 秒)
A method for ultrasonic quality evaluation of glass/polyester composites
Non-destructive testing Ultrasonic wave velocity Glass/polyester composites
2009/12/1
Purpose: The aim of the present study was to find relationship between the ultrasonic wave velocity or
attenuation coefficient and the local fiber content in glass/polyester composites.
Design/metho...
Ultrasonic methods in diagnostics of polyethylene
Engineering polymers Properties Mechanical properties
2009/12/1
Purpose: The aim of the work was to find relationship between the ultrasonic wave velocity and the strenght
and stess in a polyethylene specimens.
Design/methodology/approach: The experiments have b...
Examination of conditions in contact interface using ultrasonic measurement
Plastic forming Tribology Contact conditions Ultrasonic examination
2009/12/1
Purpose: In metal forming, the conditions of contact interface have a great effect on the characteristics of
interface friction and heat transfer between tool and workpiece. Estimation of contact con...
Possibility of determining steel grain size using ultrasonic waves
steel microstructure ultrasonic wave
2009/10/23
Properties of steel depend also on its internal structure. In practice, one can distinguish between primary structure (obtained during solidification) and secondary structure (being a result of the γ ...
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
2011/4/1
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...
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
2011/4/1
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...
Defining the relation between tensile strength and ultrasonic wave velocity in spheroidal cast iron manufactured in the foundry JAFAR S.A
spheroidal cast iron tensile strength ultrasonic control index
2011/3/29
This work presents results of ultrasonic evaluation of mechanical properties of spheroidal cast iron manufactured under the production conditions of FA JAFAR S.A.. Tests were conducted on wedge casts ...
Defining the relation between tensile strength and ultrasonic wave velocity in spheroidal cast iron manufactured in the foundry JAFAR S.A
spheroidal cast iron tensile strength ultrasonic control index
2011/3/29
This work presents results of ultrasonic evaluation of mechanical properties of spheroidal cast iron manufactured under the production conditions of FA JAFAR S.A.. Tests were conducted on wedge casts ...
Influence of spheroidal cast iron wall thickness on its microstructure and ultrasonic control index
spheroidal cast iron microstructure ultrasonic control index
2011/3/29
This work presents results of ultrasonic evaluation of the microstructure of spheroidal cast iron manufactured under production conditions.Evaluation of the ultrasonic control index’s sensitiveness to...
Influence of spheroidal cast iron wall thickness on its microstructure and ultrasonic control index
spheroidal cast iron microstructure ultrasonic control index
2011/3/29
This work presents results of ultrasonic evaluation of the microstructure of spheroidal cast iron manufactured under production conditions.Evaluation of the ultrasonic control index’s sensitiveness to...
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
2011/3/29
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
2011/3/29
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...
Damage mechanisms of Ti-Al inter-metallics in three point ultrasonic bending fatigue
Gigacycle fatigue binary phase Ti-Al (α2+ γ) alloy Damage mechanism
2010/2/10
Purpose: Damage mechanisms of two phases (α2−Ti3Al and γ−Ti-Al) intermetallics alloy are investigated at room temperature in a new developed resonance type 3- point (3P) fatigue bending te...
Selected applications of ultrasonic method for moulding sand examination
Mechanization and automation of foundry engineering measurement automation
2011/3/11
Selected applications of ultrasonic method for examining basic technological and rheological properties of traditional moulding sands are presented. The ultrasonic method permits evaluation of basic t...