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Articles by S. Wiese
35,542 economically disadvantaged students enrolled in Williamson County schools in 2024-25 school year
Williamson County schools enrolled 35,542 students classified as economically disadvantaged during the 2024-25 school year, according to the Texas Education Agency. Of the 124,420 students enrolled in Williamson County, 28.6% were considered economically disadvantaged. This is a 3.5% decrease in the number of such students from the previous school year. Williamson County enrolled the 17th highest number of students identified as economically disadvantaged among Texas counties.
How many students in Travis County schools were considered economically disadvantaged in 2024-25 school year?
Travis County schools enrolled 100,065 students classified as economically disadvantaged during the 2024-25 school year, according to the Texas Education Agency. Of the 195,077 students enrolled in Travis County, 51.3% were considered economically disadvantaged. This is a 1.6% increase in the number of such students over the previous school year. Travis County enrolled the seventh highest number of students identified as economically disadvantaged among Texas counties.
How many students in Williamson County schools were considered economically disadvantaged in 2023-24 school year?
Williamson County schools enrolled 36,060 students classified as economically disadvantaged during the 2023-24 school year, according to the Texas Education Agency. Of the 118,738 students enrolled in Williamson County schools, 30.4% were considered economically disadvantaged. This is a 1.1% increase over the previous school year. Williamson County enrolled the 17th highest number of students identified as economically disadvantaged among Texas counties.
Forschungsportal der TU Dresden
The scope of the paper is to present the result of a characterisation methodology to determine solder mechanical material properties at high strain rates. Considering volume effects miniature bulk specimens with dimensions comparable to BGA joints are used in the experiments. Stress-strain data recorded at high strain rates proof the high resolution capability of a novel tensile setup. To improve the evaluation of the experimental results a FE model of the experiment was used.
The effect of downscaling the dimensions of solder interconnects on their creep properties: Thermal, Mechanical and Multi-physics Simulation and Experiments in Micro-electronics and Micro-systems (EuroSimE 2007)
The creep behaviour of solders is an important input for accurate material models for FE-analysis of electronic assemblies. Usually the mechanical behaviour of solders has been determined by tensile tests on bulk solder specimens. Although performing these tests is not complicated and the results are easy to interpret, one of the key problems lies in the fact that solder joints are very small and, therefore, cannot be represented by large tensile specimens.
The Effect of Downscaling the Dimensions of Solder Interconnects on their Creep Properties
The creep behaviour of solders is an important input for accurate material models for FE-analysis of electronic assemblies. Usually the mechanical behaviour of solders, is been determined by tensile tests on bulk solder specimens. Although performing these tests is not complicated and the results are easy to interpret, one of the key problems lies in the fact that solder joints are very small and therefore cannot be represented by large tensile specimens.
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