News from Materials Sciences and Engineering Division Iran L. Thomas Director

Patricia Dehmer, Associate Director b Iran Thomas, Deputy Associate Director Mary Jo Martin, Secretary Chemical Sciences, Geosciences, and Biosciences Division William Millman, Acting Director Karen Talamini, Program Analyst Carolyn Dorsey, Secretary b Iran Thomas, Director Christie Ashton, Program Analyst Tarra Hardeman, Secretary Materials Sciences and Engineering Division Robert Astheimer F. Don Freeburn Stanley Staten Sharon Long Metal, Ceramic, and Engineering Sciences Associate Director's Office Staff Contacts Energy Biosciences Condensed Matter Physics and Materials Chemistry Fundamental Interactions Molecular Processes and Geosciences Geosciences Catalysis and Chemical Transformations Separations and Analysis Chemical Energy and Chemical Engineering Heavy Element Chemistry Photochemical and Radiation Sciences Chemical Physics Atomic, Molecular, and Optical Physics Facility Operations Plant Sciences and Microbiology Biochemistry and Biophysics Structure and Composition of Materials Engineering Sciences Mechanical Behavior of Materials & Radiation Effects Physical Behavior of Materials Synthesis and Processing Experimental Condensed Matter Physics Theoretical Condensed Matter Physics Neutron and X-ray Scattering Materials Chemistry EPSCoR Robert Gottschall Terry Jones, Proc. Tech. William Oosterhuis Melanie Becker, Proc. Tech. Paul Smith (Acting) Diane Matthews, Proc. Tech. Allan Laufer Sharon Bowser, Proc. Tech. Gregory Dilworth Patricia Snyder, Proc. Tech. Robert Gottschall Vacant FTE uRobert Hwang, SNL uJohn Vetrano, PNNL Jerry Smith Raul Miranda lJulie d'Itri, U. Pittsburgh uDan Melamed, BNL Eric Rohlfing Gregory Dilworth James Tavares Yok Chen uRobert Hwang, SNL uJohn Vetrano, PNNL uAndrew Quong, LLNL uWendy Cieslak, SNL uRobert Hwang, SNL Alan Dragoo Vacant FTE Timothy Fitzsimmons Robert Price lBassem Armaly, U. of MO Timothy Fitzsimmons uWendy Cieslak Manfred Leiser Dale Koelling Helen Kerch Dick Kelley Vacant FTE Matesh Varma Paul Maupin Vacant FTE lDick Gordon, Wash. State U uNorman Edelstein, LBNL Paul Smith uNorman Edelstein, LBNL William Kirchhoff Eric Rohlfing Mary Gress Walter Stevens William Millman William Kirchhoff Paul Smith b Dual Capacity l IPA u Detailee Legend Spallation Neutron Source Jeffrey Hoy Neutron and X-ray Scattering Facilities Pedro Montano Office of Basic Energy Sciences 8 January 2001 Materials Sciences Subprogram Chemical Sciences Subprogram Engineering and Geosciences Subprogram Energy Biosciences Subprogram Nicholas Woodward lRoger Turpening, MTU uHenry Shaw, LLNL Walter Stevens Sharlene Weatherwax

PASI Proposals by April 15, 2001 The Department of Energy and the National Science Foundation (NSF) intend to support a limited number of Pan American Advanced Studies Institutes (PASI) modeled on the NATO Advanced Studies Institutes. Pan American Advanced Studies Institutes are short courses of two to four weeks duration, involving lecturers of international standing at the advanced graduate and postgraduate level from the Americas. PASIs aim to disseminate advanced scientific knowledge and stimulate training and cooperation among researchers of the Americas in the basic sciences and engineering fields. Institutes in any physical or mathematical science discipline and/or engineering may be supported. Whenever feasible, an interdisciplinary approach is recommended. Department of Energy, Office of Basic Energy Science contacts are: Richard Kelley, SC-13, telephone: , and Don Freeburn, telephone: , e- mail: PASIs may involve up to 8 to 12 lecturers and approximately 40 to 50 students from the different countries in the Americas. A PASI award will cover expenses for the organization of the meeting, travel and living expenses of lecturers, and contribute to students' travel and living expenses. The principal investigator is responsible for (a) the preparation of the scientific program, (b) the selection of lecturers and students, (c) the administration of the meeting, and (d) the publication of lectures and proceedings from the meeting. The cost for any one Institute with a reasonable number of participants, including lecturers and students, is expected to range from $65,000 to $85,000, and may not exceed $100,000, aside from contributions from other sources. The NSF Division of International Programs will accept a number of proposals by April 15, 2001, to support such institutes. Future deadlines will be February 15 of each year. Individuals interested in submitting such a proposal should contact Eduardo Feller or Harold Stolberg at /8706 for additional information. This notice is also posted on the NSF web site at (Program Announcement NSF 01-48).NSF Division of International Announcement NSF 01-48

Status of High Flux Beam Reactor

Status of the High Flux Isotope Reactor

HFIR Upgrades Neutron scattering upgrades Cooling tower replacement Reflector replacement outage Recent events

Neutron Scattering Upgrades at HFIR New and upgraded instruments Cold source brightness comparable to the world’s best Thermal neutron intensity 2-3 times higher for most experiments Vigorous user program serving 500 users annually Complementary to SNS and other HFIR missions

Current status of neutron Scattering Upgrades at HFIR Cold source –Cold source building and refrigeration plant (complete) –Neutron Sciences Support Building (complete) –Moderator vessel (in fabrication) Beam lines –New monochromator drums (in fabrication) –Shielding (HB-2 in fabrication, HB-4 in final design) –Neutron guide systems (in fabrication) Instruments –Work packages/schedules prepared for upgrades/installations –Long lead time procurements placed (SANS) –BNL US-Japan instrument included in planning

HFIR cooling tower replacement Tower has been demolished and removed from the site Sludge has been removed from the basin New tower is under construction Project is currently under budget and ahead of schedule

HFIR reflector replacement outage Permanent reflector, semi-permanent reflector, and pedestal/cage assembly completed and on site Beam tubes and shutters required for the outage completed (HB-2 in final fabrication) Reactor has been disassembled to the reflector

HFIR reflector replacement, cooling tower, and experimental upgrades status Cooling tower replacement on schedule and within budget Cold source moderator vessel, new monochromator drums, shielding, and neutron guides in fabrication Major components (reflector, beam tubes, shutters) required for outage available Reactor disassembled to the reflector Outage work delayed ~ 4 months due to tritium issue HFIR cooling tower construction 1/16/01

Discovered tritium contamination in a HFIR foundation drain in early October Traced contamination to an underground process waste line and eliminated source of tritium contamination EH review (Nov 28 - Dec 1) found no significant impact to worker safety or the environment Defective underground process line will be replaced during the current outage Tritium concentrations at HFIR drains and outfalls are decreasing and have not exceeded DOE or State action levels Beryllium reflector outage activities have resumed Tritium contamination at HFIR

Tritium Concentrations downstream from the west HFIR foundation drain

Spallation Neutron Source Update Screenplay by Pat Dehmer

SNS Progress Report Staffing Technical subsystems progress Site preparations and construction progress Recent issues and actions

EXPERIMENTAL FACILITIES T. MASON DIVISION DIRECTOR TARGET SYSTEMS T. GABRIEL SR. TEAM LEADER (ORNL) INSTRUMENT SYSTEMS K. CRAWFORD SR. TEAM LEADER (ORNL/ANL) FRONT END SYSTEMS R. KELLER SR. TEAM LEADER (LBNL) CONTROLS SYSTEMS D. GURD SR. TEAM LEADER (ORNL) LINAC SYSTEMS D. REJ SR. TEAM LEADER (LANL) RING SYSTEMS W. WENG SR. TEAM LEADER (BNL) ACCELERATOR PHYSICS J. WEI GROUP LEADER (ORNL) ACCELERATOR TECHNOLOGY (RING, HEBT, RTBT) R. DAMM SECTION HEAD (ORNL) ACCELERATOR OPERATIONS G. DODSON MANAGER (ORNL) ACCELERATOR TECHNOLOGY (FRONT END AND LINAC) M. WHITE (A) SECTION HEAD (ORNL) CONTROLS D. GURD GROUP LEADER (ORNL) PROJECT MANAGEMENT J. LAWSON (ORNL) DESIGN TEAM C. GARREN (ORNL) PROJECT MANAGEMENT AE/CM D. DAVIS (3) (K/S) DESIGN MANAGER M. SIDDIQI (3) (K/S) CONSTRUCTION MANAGER W. TOMB (3) (K/S) EFFECTIVE DATE: APPROVED DATE KEY (A)ACTING (1)MATRIX (2)POST DOC (3)SUBCONTRACTOR (4)CONSULTANT CHART EXPERIMENTAL FACILITIES OPERATIONS J. FORESTER MANAGER (ORNL) SUPERCONDUCTING CAVITY SYSTEMS AND CRYOGENICS C. RODE SR. TEAM LEADER (JLAB) SR. SCIENTIFIC ADVISOR D. OLSEN SR. SCIENTIFIC ADVISOR K. REECE ACCELERATOR SYSTEMS R. KUSTOM DIVISION DIRECTOR ASSOCIATE DIV. DIRECTOR J. LAWSON CONVENTIONAL FACILITIES A. CHARGIN (A) DIVISION DIRECTOR SPALLATION NEUTRON SOURCE D. MONCTON EXECUTIVE DIRECTOR ADMINISTRATIVE DIRECTOR C. STRAWBRIDGE TECHNICAL DIRECTOR Y. CHO HUMAN RESOURCESJ. TRIMBLE (1)SAFETY/ENVIRONMENTF. KORNEGAY SNS PROJECT L. E. TEMPLE PROJECT DIRECTOR ASSOCIATE PROJECT DIRECTORK. BOUDWINASSOCIATE PROJECT DIRECTORA. CHARGIN QUALITY ASSURANCE M. SKONICKI SYSTEMS INTEGRATION T. MANN MANAGER BUSINESS J. HILL MANAGER MANAGEMENT INFORMATION AND PROJECT CONTROLS S. HERRON MANAGER PROCUREMENT B. MILLER DIRECTOR INFORMATION TECHNOLOGY D. CIARLETTE MANAGER USER ADMINISTRATION A. EKKEBUS USER PROGRAM MANAGER ACCELERATOR SYSTEMS ADVISORY COMMITTEE R. SIEMANN, CHAIR EXPERIMENTAL FACILITIES ADVISORY COMMITTEE D. NEUMANN, CHAIR SPALLATION NEUTRON SOURCE/HFIR USERS GROUP D. BELANGER,CHAIR SCIENTIFIC ADVISORY COMMITTEE G. AEPPLI, CHAIR SNS Project Organization

Summary -- Technical Subsystems and Construction Good technical progress is being made overall in R&D and the design of technical components. Notable achievements throughout. No significant problems. Title I design nearly complete. Title II design about 50% complete. Site work is well underway. Labs working well together. Smooth transition from Lockheed-Martin to UT/Battelle. Project on track to meet Level 0 (Secretarial) baseline goals. – Total Project Cost (TPC) of $1,411.7 million – Project completion date of June 2006 –  1MW proton beam power on target

Front End Status (LBNL) Successfully completed a major portion of R&D Fabricated and tested first production ion source; working to reliably meet performance specs for beam current, but no show stoppers Procured a large number of hardware components 1st production ion source

LANL and TJNAF working well together on hybrid (normal/ superconducting) linac Selected RF architecture for superconducting linac “Cold model” tests of RF structures validated designs Prototype superconducting RF cavities performance tested Ordering key components from industry (e.g, klystrons, niobium cavity material, cryogenic equipment) Drift tube linac cold model Superconducting linac cavity Linac Status (LANL/TJNAF)

Accumulator Ring Status (BNL) Good progress in accelerator physics design Prototype dipole and quadrupole magnets fabricated to specs and successfully tested Various other magnet designs completed and parts on order from industry Field strength measurement of the prototype dipole magnet.

Target Status (ORNL) R&D on mercury target concept supports design Title II (Detailed) Design and major procurements are on schedule Design Validation Test Stand on order from vendor Target Test Facility w/target mock-upTarget building design layout

Instrument Status (ANL/ORNL) First 3 instruments selected and incorporated into the project cost baseline; designs are underway Instrument costs are approximately double the estimates made in 1994, just prior to CD0. Cost increases result from experience with a new generation of pulsed spallation source instruments developed during the past 5 years at ISIS. These new instruments use (expensive) concepts that were not proven in 1994, such as large detector arrays and advanced neutron optics. Selected concepts for another 3 instruments. Designing common components for initial and future sets of instruments. Reflectometer High resolution backscattering spectrometer

Controls Status (LANL) Completed preliminary design reviews for global safety, network, timing, and machine protection systems Prototypical Experimental Physics and Industrial Control System (EPICS) running in the lab Developing a fully integrated EPICS control system for conventional facilities EPICS/ControlNet demo at BNL

SNS Site Aerial View

SNS Site Aerial View with Artist’s Concept

SNS Site and ORNL Lab Aerial View

Conventional Facilities Status (ORNL) Mass excavation nearly complete (1.3 MCY of earth moved) No reportable accidents or environmental incidents Title I Design of buildings completed Installing ~ 1,000 target building foundation “micro-pilings” Site in October 2000

Installation of the Micro-pilings

FY 2001 Activities u Detailed design for all civil construction u Complete site excavation and grading u Start construction of major technical buildings Linac Tunnel Front End Building Central Utilities Building Linac Utility Support Buildings u Complete detailed design of ion source and low energy beam equipment u Prototyping of beam transport u Design and prototyping of Linac systems and components u Procurement of Linac components Drift tube and coupled-cavity Linac systems Vacuum and water systems Radiofrequency systems, including klystrons and power supplies Linac diagnostics Liquid helium refrigeration and cryogenics systems Superconducting cavities, cryomodules u R&D and design of proton accumulator ring u Procurement of Ring components Magnets Diagnostics, radiofrequency systems, and power supplies Vacuum and mechanical systems u R&D, prototyping, and design of mercury target and shielding u R&D and design of neutron scattering instruments u Detailed design of global controls system

FY 2002 Activities u Construction of major technical buildings Front End Building Linac, High-Energy BeamTransport Tunnel, and Ring-to-Target Beam Transport Tunnel Klystron Hall Target Building Central Utilities Building Linac Utility Support Buildings u Install key technical components Ion source and low energy beam equipment Linac components (Drift Tube Linac Tanks, Klystrons, Coupled Cavity Linac modules) Global controls u Complete design of Linac components u Procurement of Linac components Coupled-cavity Linac systems Cryomodules Vacuum and water systems Radiofrequency systems, including klystrons and power supplies Linac diagnostics Liquid helium refrigeration and cryogenics systems Superconducting cavities, cryomodules u Design proton accumulator ring u Procurement of Ring components Magnets Diagnostics, radiofrequency systems, and power supplies Vacuum and mechanical systems u Prototyping, design, and procurement of mercury target and shielding u R&D, design, and procurement of neutron scattering instruments

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View from Water Tower Toward the Ion Source Building

View from Water Tower Toward Target Building