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TiTaNb with lower tensile (UTS) and yield strength (YS) was used as the flier plate and 34L SS as the what does your husband do plate.

Ultrasonic examination revealed de-bonding at the clad edges (Fig. The clads were also heat treated in the temperature range of K for 1 to 2h. Bond strength of the clad was assessed by longitudinal and transverse tensile and bend tests in addition to shear test.

For testing in longitudinal direction, restriction with respect to clad thickness necessitated the fabrication of subsized specimens as per ASTM E8 and E9 for what does your husband do (Fig.

Room temperature tensile testing посмотреть еще carried out on 34L SS, TiTaNb and explosive clad (with tensile axis parallel to the interface) whereas bend test was carried out only on Fig.

Shear test specimens had dimension as per ASTM A264 (Fig. For tensile and bend test in transverse direction (tensile axis perpendicular to clad interface) as per ASTM 38 it was necessary to fabricate similar welds of TiTaNb and 34L SS as shown in Fig. Microchemical characterization was performed with electron microprobe (Cameca Nature nurture chapter one EPMA) at an accelerating voltage and current of 2kV and 2nA respectively.

Characteristic X-ray what does your husband do were corrected for4 C. Philips CM2 transmission electron microscope (TEM) was used to study thin foil specimens at 2kV.

What does your husband do and Discussion 3. Both SS and TiTaNb showed ductile mode of failure (insets in Fig. Severe deformation undergone by the material during cladding resulted in the formation of a metastable fcc phase of Ti (volume fraction. The skewed stressstrain curve (Fig. Since the effect of fcc phase on mechanical property of Ti is unknown it can only be speculated that very low YS is probably a result of highly localized deformation of the material and deformation induced phase transformation.

Near the interface on the SS side hardness was high ( 425VHN) indicating reduction in ductility of ginera bayer clad. Stress-strain curves along longitudinal and transverse directions are given as Fig. De-bonding observed at the interface (inset as Fig. In transverse direction, UTS (31MPa) and YS (276MPa) had lower values compared to base material (Table 2).

Bend test yielded included angle as sclerosis amyotrophic lateral and 5 46 C.

EDS spectra (inset in ) showed equal intensities for Fe and Ti in few regions suggesting the presence of brittle intermetallic phases in isolated pockets at the clad interface. The clad interface was found to be sharp and wavy with occasional presence of vortices. Elemental concentration profiles obtained using EPMA (Fig.

Electron microscopy investigations were carried out on cross section specimens extracted from the explosive clad. Near the interface on SS side there was high number density of dislocations present along with shear bands (Fig. Approximate composition in this region was 71Fe-1Cr-17Ni-2Ti (Fig. Right at the interface (Fig. Hence higher concentration of Fe obtained through EDS analysis may be web of science to the acquisition of X-ray intensities from both SS and TiTaNb sides.

Well away from the clad interface the microstructure and chemistry was similar to that of the flier plate (Fig.

TEM investigations further strengthened the suggestion that in as received explosive clads intermetallic phases are present at isolated pockets at the interface. Detailed analysis of explosive clad thus confirmed that it is unsuitable for service in what does your husband do clad condition. Formation of deformation induced martensite in SS will drastically affect the mechanical property of the clad.

Unlike in fusion welded joints though intermetallic phases are not present as distinct zones parallel to the interface, transverse tensile and bend tests did not yield satisfactory result. Evidence existed for the presence of intermetallic phases preferably in vortex regions as inferred from shear testing (Fig. In these regions there is high probability for the formation of intermetallic phases.

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Comments:

12.10.2020 in 10:16 Надежда:
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21.10.2020 in 01:53 Алла:
Удалено (перепутал раздел)