scholarly journals FABRICATION DEVELOPMENT OF UO$sub 2$-STAINLESS STEEL COMPOSITE FUEL PLATES FOR CORE B OF THE ENRICO FERMI FAST BREEDER REACTOR

1961 ◽  
Author(s):  
J. H. Cherubini ◽  
R. J. Beaver ◽  
C. F. Leitten, Jr.
Keyword(s):  
Stainless Steel ◽  
Enrico Fermi ◽  
Fast Breeder Reactor ◽  
Composite Fuel ◽  
Steel Composite

Design of Electric Control System of Stainless Steel Composite Plate

2013 ◽  
Vol 706-708 ◽  
pp. 716-719
Author(s):  
Jian Chu ◽  
Gang Wang
Keyword(s):  
Stainless Steel ◽  
Control System ◽  
Composite Plate ◽  
Current Control ◽  
Equipment Operation ◽  
Electric Control ◽  
Control Scheme ◽  
Steel Composite ◽  
Machine Interface ◽  
Electrical Components

This paper mainly introduced to the PLC as the core of stainless steel composite plate electric control part of the design. The system uses the converter +PLC+ man-machine interface, as the major part of roll welding machine control, because of the use of the PLC, so that the system can improve the automatic level, electrical components is reduced, reduce failure rate, improve the reliability of equipment operation. Based on the current control and speed control, so that the welding quality and welding speed has been greatly improved. In the article, mainly from the production process, and the control system hardware and software design, and the control scheme to introduce several aspects.

Quality Management during Manufacturing of High Tempertaure Thin Walled Austenitic Stainless Steel Sodium Tanks of Prototype Fast Breeder Reactor

2013 ◽  
Vol 794 ◽  
pp. 507-513
Author(s):  
R.G. Rangasamy ◽  
Prabhat Kumar
Keyword(s):  
Stainless Steel ◽  
High Temperature ◽  
Austenitic Stainless Steel ◽  
Quality Management ◽  
Stress Corrosion ◽  
Stress Corrosion Cracking ◽  
Heat Removal ◽  
Fast Breeder Reactor ◽  
Decay Heat ◽  
Thin Walled

Austenitic stainless steels are the major material of construction for the fast breeder reactors in view of their adequate high temperature mechanical properties, compatibility with liquid sodium coolant, good weldability, availability of design data and above all the fairly vast and satisfactory experience in the use of these steels for high temperature service. All the Nuclear Steam Supply System (NSSS) components of FBR are thin walled structure and require manufacture to very close tolerances under nuclear clean conditions. As a result of high temperature operation and thin wall construction, the acceptance criteria are stringent as compared to ASME Section III. The material of construction is Austenitic stainless steel 316 LN and 304 LN with controlled Chemistry and calls for additional tests and requirements as compared to ASTM standards. Prototype Fast Breeder Reactor (PFBR) is sodium cooled, pool type, 500 MWe reactor which is at advanced stage of construction at Kalpakkam, Tamilnadu, India. In PFBR, the normal heat transport is mainly through two secondary loops and in their absence; the decay heat removal is through four passive and independent safety grade decay heat removal loops (SGDHR). The secondary sodium circuit and the SGHDR circuit consist of sodium tanks for various applications such as storage, transfer, pressure mitigation and to take care of volumetric expansion. The sodium tanks are thin walled cylindrical vertical vessels with predominantly torispherical dished heads at the top and bottom. These tanks are provided with pull-out nozzles which were successfully made by cold forming. Surface thermocouples and heaters, wire type leak detectors are provided on these tanks. These tanks are insulated with bonded mineral wool and with aluminum cladding. All the butt welds in pressure parts were subjected to 100% Radiographic examination. These tanks were subjected to hydrotest, pneumatic test and helium leak test under vacuum. The principal material of construction being stainless steel for the sodium tanks shall be handled with care following best engineering practices coupled with stringent QA requirements to avoid stress corrosion cracking in the highly brackish environment. Intergranular stress corrosion cracking and hot cracking are additional factors to be addressed for the welding of stainless steel components. Pickling and passivation, Testing with chemistry controlled demineralised water are salient steps in manufacturing. Corrosion protection and preservation during fabrication, erection and post erection is a mandatory stipulation in the QA programme. Enhanced reliability of welded components can be achieved mainly through quality control and quality assurance procedures in addition to design and metallurgy. The diverse and redundant inspections in terms of both operator and technique are required for components where zero failure is desired & claimed. This paper highlights the step by step quality management methodologies adopted during the manufacturing of high temperature thin walled austenitic stainless steel sodium tanks of PFBR.

Simultaneous oxidation and tellurization of SUS-316 stainless steel for fast breeder reactor fuel cladding

1987 ◽  
Vol 87 ◽  
pp. 211-217 ◽  
Author(s):  
Minoru Saito ◽  
Hirotaka Furuya ◽  
Masayasu Sugisaki
Keyword(s):  
Stainless Steel ◽  
Reactor Fuel ◽  
Fast Breeder Reactor ◽  
Fuel Cladding ◽  
316 Stainless Steel ◽  
Simultaneous Oxidation

scholarly journals DEVELOPMENT OF FABRICATION PROCEDURES FOR CORE B FUEL ELEMENTS FOR THE ENRICO FERMI FAST BREEDER REACTOR

1964 ◽  
Author(s):  
R.G. Donnelly ◽  
W.C. Thurber ◽  
G.M. Slaughter
Keyword(s):  
Enrico Fermi ◽  
Fast Breeder Reactor ◽  
Fuel Elements

Wear Resistance Properties of Tungsten Carbide/Stainless Steel Composite Materials Prepared by Pulsed Current Sintering

2007 ◽  
pp. 1573-1576
Author(s):  
Yuji Kawakami ◽  
Fujio Tamai ◽  
Takashi Enjoji ◽  
Kazuki Takashima ◽  
Masaaki Otsu
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Composite Materials ◽  
Tungsten Carbide ◽  
Pulsed Current ◽  
Steel Composite

Experimental Investigation of Copper/Stainless Steel Joints Formed by Vacuum Brazing

2010 ◽  
Author(s):  
Changqing Ye
Keyword(s):  
Stainless Steel ◽  
Copper Alloy ◽  
Filler Metal ◽  
Dissimilar Materials ◽  
Optical Microscope ◽  
Interface Zone ◽  
Vacuum Brazing ◽  
Bonded Joint ◽  
Steel Composite ◽  
Steel Joints

The article presents a study of two different brazing joints produced by dissimilar materials vacuum brazing. The junctions were obtained between copper or copper alloy and stainless steel. Different brazing parameters were used according to the different type of samples. By using optical microscope, scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and micro-hardness machine to analyze the microstructure of copper or copper alloy/stainless steel vacuum brazing joins. The test results showed that copper (T2)/stainless steel (1Cr18Ni9Ti) dissimilar materials were successfully bonded together by means of the advanced vacuum brazing technology (the grade of filler metal was B-Ag72Cu). The interface zone of copper (T2)/stainless steel (1Cr18Ni9Ti) brazing bonded joint included the copper side interface, the middle brazing transition zone and stainless steel side. Some defects such as microfissures were also found in the brazing seam between copper alloy and stainless steel composite components obtained by vacuum brazing using B-AgCu21Pd25 filler metal. They are mainly due to the process and geometry parameters, such as temperature and clearance.

Processing Technology and Characteristic Evaluation of Polylactic Acid/316L Stainless Steel Composite Braids with Hydroxylapatite Deposition

2011 ◽  
Vol 332-334 ◽  
pp. 1951-1954 ◽  
Author(s):  
Jia Horng Lin ◽  
Wen Cheng Chen ◽  
Jin Jia Hu ◽  
Yueh Sheng Chen ◽  
Shih Peng Wen ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Simulated Body Fluid ◽  
Polylactic Acid ◽  
Biodegradable Polymer ◽  
Body Fluid ◽  
316L Stainless Steel ◽  
Artificial Bone ◽  
Surgical Suture ◽  
Steel Composite ◽  
Apatite Deposition

Biodegradable polymer has been widely used in surgical suture, dressing, artificial bone and other bone-related applications. Studies have demonstrated that metals, such as titanium, titanium alloys or 316L stainless steel, can be widely used in dental and maxillofacial surgeries. The present study aimed to fabricate a scaffold with a blend of multilayer polylactic acid (PLA) ply yarns with 316L stainless steel (SS) braids, which was then immersed in simulated body fluid (SBF), forming the PLA/SS composite braid with hydroxylapatite deposition. After being immersed in SBF for 14 days, the PLA/SS composite braid was covered with precipitate which was confirmed to be apatite deposition according to surface observation and EDS evaluation.

TiC-maraging stainless steel composite: microstructure, mechanical and wear properties

Rare Metals ◽  
2006 ◽  
Vol 25 (6) ◽  
pp. 630-635 ◽  
Author(s):  
F AKHTAR ◽  
S GUO ◽  
P FENG ◽  
S KHADIJAHALI ◽  
A SYEDJAVID
Keyword(s):  
Stainless Steel ◽  
Wear Properties ◽  
Maraging Stainless Steel ◽  
Steel Composite ◽  
Composite Microstructure
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