BL1-4

BL1-4 is a general user SAXS scattering facility with some limited capability for WAXS. A new hutch was installed during the 2003-2004 SPEAR3 shutdown, which increased the accessible range of reciprocal space, opening up the facility to the demands of colloidal and nano-particle scattering projects. The principal mirror on the beam line was replaced, and all upstream optics retrofitted to cope with the higher flux available from the SPEAR3 source at 500 mA. The beam line is equipped with a new Rayonix165 CCD detector with a large angular range.

Tailoring Plastics at the Molecular Level for Cost and Environmental Benefits in Industrial Processing

February 28, 2003

Much of our manufactured environment - many metals, plastics, glasses, ceramics, fiberglass and papers - consists of extrusion-molded products. To minimize waste, extrusion-molding plants must balance quality of product, speed of process and cost of production (primarily electricity) for each particular material. They need to know how fast each material can be processed at what energy cost while maintaining the quality of the finished bulk material. Fundamental changes in the macromolecular arrangement of materials occur at critical deformation rates.

SAXS Beamline 1-4

BL1-4 is used primarily for Small-Angle X-ray Scattering (SAXS) and also some Wide-Angle X-ray Scattering (WAXS). The user community is active in Materials Science, Environmental Science, Nano-scale Development, Colloidal Science and some Medical fields.

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