A journal of additive manufacturing and the long life of machines: rail, ships, plant and the parts nobody makes any more.
On obsolescence, fire rules and the slow arithmetic of a warehouse that prints instead of stores.
Essay · 14 minutes · 3 references
Plate I. Locomotive shop, Chicago, 1942. Jack Delano, Library of Congress; public domain.
Why the quality of metal powder, not the printer, decides whether a printed pump part lasts as long as a cast one.
Essay · 11 minutes · 3 references
Plate II. 316L powder under the electron microscope. CC BY 4.0, via Wikimedia Commons.
Forty-one papers read and compared: what is settled, what is argued about, and what nobody has yet measured.
Research review · 26 minutes · 4 references
Shipboard printers have been trialled for a decade. A sober account of what crews actually make at sea.
Essay · 9 minutes · 3 references
Short, sourced summaries of the week’s news, with a line on why it matters.