Described herein is a radiation shielding composition and a method for making comprising: (i) a boron-containing powder wherein the boron-containing powder comprises at least a bimodal particle size distribution, and (ii) a metal, wherein the metal encapsulates the ceramic powder to form the radiation shielding composition.

Described herein is a radiation shielding composition and a method for making comprising: (i) a boron-containing powder wherein the boron-containing powder comprises at least a bimodal particle size distribution, and (ii) a metal, wherein the metal encapsulates the ceramic powder to form the radiation shielding composition.

The present invention relates to an additive manufacturing system for powdery starting material which comprises electron beam guns as irradiation units. The system comprises an improved shielding against ionizing radiation, in particular x-rays. By use of the additive manufacturing system according to the invention a compact an lightweight shielding of the construction area is achieved.

A radiation shielding system for an x-ray digital detector array includes a first radiation shield having a plurality of shielding pads and a plurality of interstices between the plurality of shielding pads, the plurality of shielding pads having a greater thickness than the thickness of the plurality of interstices. The plurality of shielding pads is configured to be positioned over active components of the x-ray digital detector array and the interstices are configured to be positioned over passive components of the x-ray digital detector array.

The present disclosure relates to a radiographic shield incorporating a radiographic shutter mechanism, and a protective jacket for a radiographic device. The radiographic shutter mechanism includes machined tungsten components which in some embodiments, includes a jigsaw puzzle type interconnection, the radiographic shield includes an S-shaped passageway in combination with the radiographic shutter mechanism. The protective jacket allows for various mounting configurations, such as integrated SCAR mounting configurations, including a ratchet snap configuration.

The present disclosure relates to a radiographic shield incorporating a radiographic shutter mechanism, and a protective jacket for a radiographic device. The radiographic shutter mechanism includes machined tungsten components which in some embodiments, includes a jigsaw puzzle type interconnection, the radiographic shield includes an S-shaped passageway in combination with the radiographic shutter mechanism. The protective jacket allows for various mounting configurations, such as integrated SCAR mounting configurations, including a ratchet snap configuration.

This disclosure describes new high temperature, radiation-resistant, ferritic-martensitic steel compositions. The new steels generally contain 9.0-12.0 wt. % Cr, 0.001-1.0 wt. % Mn, 0.001-2.0 wt. % Mo, 0.001-2.5 wt. % W, and 0.1-0.3 wt. % C, with the balance being primarily Fe. More specifically, steels having from 10.0-12.0 wt. % Cr are considered particularly advantageous. Small amounts of N, Nb, V, Ta, Ti, Zr, and B may or may not also be present, depending on the particular embodiment. Impurities may be present in any embodiment, in particular impurities of less than 0.01 wt. % S, less than 0.04 wt. % P, less than 0.04 wt. % Cu, less than 0.05 wt. % Co, and less than 0.03 wt. % As are contemplated. Examples of these steels exhibit improved fracture toughness and reduced thermal creep and swelling.

This disclosure describes new high temperature, radiation-resistant, ferritic-martensitic steel compositions. The new steels generally contain 9.0-12.0 wt. % Cr, 0.001-1.0 wt. % Mn, 0.001-2.0 wt. % Mo, 0.001-2.5 wt. % W, and 0.1-0.3 wt. % C, with the balance being primarily Fe. More specifically, steels having from 10.0-12.0 wt. % Cr are considered particularly advantageous. Small amounts of N, Nb, V, Ta, Ti, Zr, and B may or may not also be present, depending on the particular embodiment. Impurities may be present in any embodiment, in particular impurities of less than 0.01 wt. % S, less than 0.04 wt. % P, less than 0.04 wt. % Cu, less than 0.05 wt. % Co, and less than 0.03 wt. % As are contemplated. Examples of these steels exhibit improved fracture toughness and reduced thermal creep and swelling.

A radiation protection device for an opening for inspection objects on a radiation tunnel is provided. The radiation protection device is formed from a plurality of radiation protection curtains arranged one behind the other at a distance in a transport direction, wherein a first radiation protection curtain includes a first shielding radiation protection curtain section covering only a first area of the opening and second shielding radiation protection curtain sections of at least one second radiation protection curtain arranged behind the first radiation protection curtain in the transport direction cover the area of the opening not covered by the first radiation protection curtain.

A shield structure configured to protect a head and/or neck of a patient during a radiologic procedure comprises a bottom wall, a side wall, and an opening. The bottom wall includes radiation attenuating material and is configured to be positioned between the head and/or neck of the patient and a radiation source so as to shield the patient from radiation directed toward the bottom of the patient. The bottom wall is of a general size to shield the head and/or neck of the patient. The side wall includes radiation attenuating material and is configured to extend upward from the bottom wall so as to shield the patient from radiation directed toward a side of the patient. The opening is configured to receive the head and/or neck of the patient.