M. Nani Babu
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View article: Monitoring interface cracks in hardfaced coatings using acoustic emission
Monitoring interface cracks in hardfaced coatings using acoustic emission Open
Ni–Cr-B-Si–C alloys, used as hardfacing materials in fast-spectrum reactor components with liquid sodium coolant, are prone to cracking during deposition. Repairing small cracks is risky and may introduce new ones, while leaving them unrep…
View article: Effect of Environment on the Fatigue Crack Growth Behavior of Nitrogen-Alloyed Stainless Steel
Effect of Environment on the Fatigue Crack Growth Behavior of Nitrogen-Alloyed Stainless Steel Open
The effect of the environment on the fatigue crack growth (FCG) behavior of SS316L(N) steel, under Constant R and Constant K max test conditions, has been analyzed using the two-parametric approach that considers amplitude Δ K and the maxi…
View article: Fracture Behavior of Hardfacing Alloy Coated Over Stainless Steel under Quasi-Static and Dynamic Loads
Fracture Behavior of Hardfacing Alloy Coated Over Stainless Steel under Quasi-Static and Dynamic Loads Open
The fracture behavior of bi-material made of Ni-Cr-B-Si hardfacing alloy deposited over SS316LN substrate was evaluated under quasi-static and dynamic loads. The crack growth started from notch made on the deposit side and progress toward …
View article: Effect of Welding Process on Microstructure and Mechanical Properties of Boron Containing Modified 9Cr-1Mo Steel
Effect of Welding Process on Microstructure and Mechanical Properties of Boron Containing Modified 9Cr-1Mo Steel Open
The influence of Shielded Metal Arc (SMA) welding and Activated Tungsten Inert Gas (A-TIG) welding on the microstructure and mechanical properties of boron containing Modified 9Cr-1Mo steel has been investigated. The tensile strengths of S…
View article: Effect of Load Ratio on Fatigue Crack Growth Behavior of SS316LN using Two-Parameter (ΔK and Kmax) Model
Effect of Load Ratio on Fatigue Crack Growth Behavior of SS316LN using Two-Parameter (ΔK and Kmax) Model Open
Fatigue crack growth (FCG) behavior of SS316L (N) with 0.12 wt.% nitrogen has been studied with different load ratios at 300 K and 823 K in Paris and the threshold region. It is observed that, with increasing load ratio, the crack growth r…
View article: Investigation on estimation of fracture resistance of SS 316 LN welds subjected to various aging conditions and test temperatures
Investigation on estimation of fracture resistance of SS 316 LN welds subjected to various aging conditions and test temperatures Open
In this study, estimation of fracture resistance (K1c) was carried out for SS 316 LN welds subjected to various aging conditions. The welds were aged at 370, 475 and 550 °C and for 1000-20,000 h durations and were tested at room temperatur…
View article: Analysis of fatigue crack growth in polymers using the two-parametric approach
Analysis of fatigue crack growth in polymers using the two-parametric approach Open
Considering that the correct quantification of fatigue damage involves two load parameters, the available load ratio data on polymeric materials are analyzed. It is shown that crack growth can be characterized by two parameters, ΔK and K ,…