Biomedical subjects

C P Haltom

Publications and source records attributed to C P Haltom.

2 recordsLinked to original sources

PubMed1991

Technique for preparing cross-section transmission electron microscope specimens from ion-irradiated ceramics.

The general techniques necessary to produce a high-quality cross-sectioned ceramic specimen for transmission electron microscope observation are outlined. A particularly important point is that the width of the glued region between faces of the ceramic specimen must be less than 0.2 micron to prevent loss of the near-surface region during ion milling. A recently developed vise for gluing ceramic cross-section specimens is described, and some examples of the effect of glue thickness on specimen quality are shown.

Calibration↗

PubMed1988

Technique for preparing cross-section transmission electron microscopy specimens from ceramic oxide braze joints.

A method for preparing cross-section transmission electron microscopy specimens from alumina and partially stabilized zirconia braze joints is described. The technique relies on masking a mechanically dimpled 3-mm disc in order to avoid preferential thinning of the metallic braze filler alloy during ion milling. The results presented show that specimens made by this technique are suitable for characterizing the fine microstructural details of interfacial reactions at oxide surfaces that occur during brazing.

Ceramics↗