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Sources of Iron

Sources of Iron
Sources of Iron Iron is commonly expected to be found in samples as a wear metal, as it is the foundation element in all forms of steel, which is by far the most prevalent material in lubricated machines. It will often correlate with other metals like chromium, titanium, molybdenum, and vanadium; if the correlation remains…
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The Butterfly Effect

The Butterfly Effect
The Butterfly Effect How a seemingly throwaway line on a resume led to a fulfilling career in tribology The downturn in employment opportunities over the past several years reminds me of the difficulties I faced upon graduating…the first time. There I was, freshly out of my school’s chemical engineering program and waiting to hear back…
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Sources of Lead

Sources of Lead
Sources of Lead Lead is an expected wear metal in any machine using plain bearings, as lead and tin are the most predominant metals used in Babbitt overlay, with lesser amounts of copper, antimony, and/or arsenic. Typically, increasing levels of lead from this layer are not considered actionable, not until metals like copper or nickel…
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Sources of Aluminum

Sources of Aluminum
Sources of Aluminum While lead is commonly thought to be wear metal, that is not always the case. One example would be an oil sample from an aluminum block engine compared to a steel block engine. The block itself may be a source of wear metals when the sleeves for the pistons are machined directly…
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Pining for the holidays

Pining for the holidays
Pining for the holidays Making the holidays ‘greener’ still takes trees. With the holiday season upon us, many people are shopping for a pine tree or wreath to decorate their homes. Certainly the downside of using living trees or branches over artificial plastic decorations is dealing with the needles, but many think the wonderful aroma…
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Sources of Tin

Sources of Tin
Sources of Tin Tin is another wear metal expected in any machine using plain bearings, as lead and tin are the most predominant metals used in Babbitt overlay, with lesser amounts of copper, antimony, and/or arsenic. Typically, increasing levels of tin from this layer are not considered actionable, not until metals like copper or nickel…
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