ultrasonic measurement of residual stresses

... Process of measurement of residual stresses in a welded specimen using the UltraMARS system. The portable, semi-automatic device for Ultrasonic Measurements of Applied and Residual Stresses ... non-destructive measurement of averaged through-thickness and surface residual and applied stresses in samples, parts, welded elements and structures. Ultrasonic M...

Ngày tải lên: 24/05/2014, 20:32

... illustration of Vickers Hardness measurements, b) comparison of the results of hardness measurements for line scans. 3. RESIDUAL STRESS EVALUATION The hole drilling method is often described ... tensile tests and residual stress measurements in a mining boom cluster before and after PWHT. Experience with the use of incremental hole drilling technique for residual stre...

Ngày tải lên: 17/05/2014, 15:28

... boiling time and the degree of starch swelling (Crosbie 1992). Accurate measurement of the color of boiled noodles necessitates the use of a method that minimizes the effect of variation on final ... of translucency of noodles made from the soft, low-FSV wheat flour and the soft, high-FSV wheat flour (9.25% protein) were 39.75 and 43.75%, respectively. The mean levels o...

Ngày tải lên: 16/12/2012, 15:25

... nitrifying biofilm due to the effect of residual COD from the packed bed column during the coupled reactor phase. The growth of heterotrophs had affected the substrate removal rates, biofilm morphology, ... experiment. pH of the reactor was maintained at 7.5 + 0.3 with manual addition of acid (HCl) and base (NaHCO 3 ). Approximately 15 ml of biofilm particles was taken from t...

Ngày tải lên: 05/09/2013, 08:40

... aspects of measurement scales are considered before going on to examine the attributes of instruments for the measurement of spasticity. Level of measurement There are four distinct levels of measurement ... explored. Use of scales to measure spasticity Requirements of measurement scales Since most measurement of spasticity is performed using clinical scales, it is...

Ngày tải lên: 01/11/2013, 10:20

... Italy 28: Also at Faculty of Physics of University of Belgrade, Belgrade, Serbia 29: Also at University of California, Los Angeles, Los Angeles, USA 30: Also at University of Florida, Gainesville, ... of 24 Eur. Phys. J. C (2012) 72:2080 different kinematic regions with varying transverse momen- tum of γ ∗ /Z due to harder or softer initial-state radiation (ISR). The comparison...

Ngày tải lên: 07/03/2014, 17:20

... 18 transcripts with a total of 11,704 words and a mean length of utterance of 2.9, and (B) 23 transcripts with a total of 40,819 words and a mean length of utterance of 7.0. 5.2 Results Scores ... several areas of human lan- guage technologies. Similarly, in the study of child language, the availability of large amounts of elec- tronically accessible empirical data in the...

Ngày tải lên: 08/03/2014, 04:22

... distance of 2.5T* from each side of the toe of the weld — 1 and 2, or 3 and 4 1 and 2, or 3 and 4, over a distance of 2.5T* from each side of the toe of the weld — 1 and 2, or 3 and 4 Sizing of discontinuities Size ... a distance of 2.5T* from each side of the toe of the weld 3† 1 and 2‡, and 3§ or 4 1 and 2 over a distance of 2.5T* from each side of the toe of the w...

Ngày tải lên: 12/03/2014, 18:02

... value (10 measurements of each sample) of each sample is reported in the paper. For example, we measure the BSL level of water via the proposed OTDR-based fiber sensor under 10 time measurements ... value of the 10 time measurements is about 35.0623 dB, as also illustrated in red dash line of Figure 4. Figure 4. Output BLS levels from the OTDR traces at 1,100 m SMF long under 10...

Ngày tải lên: 14/03/2014, 20:20

... However, the effect of such thin oxide film on the electrical resistance measurement of SiNWs has not been clarified. In the present work, the direct measurement of electrical resis- tance of a silicon ... 0.491 nm of the lattice parameter for the (1 0 0) plane of quartz [21], q = 3.2 Â 10 À19 C for the oxygen ion, and the average thickness of oxide of 12.5 nm as a result o...

Ngày tải lên: 16/03/2014, 15:05