Model Engineering Glossary

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d (deci)

The prefix d or deci indicates the unit should be multiplied by 10^-1.

See also: Decimal Prefixes.

da (deca)

The prefix d or deca indicates the unit should be multiplied by 10.

See also: Decimal Prefixes.

Dandelion Metal

72 % Lead 10 % Tin 18 % Antimony

Dead Centre

A centre that does not rotate found on the tailstock of a lathe.

or

The exact centre of an object.

See also: Centres.

Decimal Prefixes

pico to tera and their multiplication factors. more......

Decimal to Imperial Conversion

See: Conversion of Units.

Search for unit conversion books on Amazon.co.uk

Diamond Bronze

88 % Copper 10 % Aluminium 2 % Silicon

Die Holder

di-ethyl ether

Trade name: Ether

Chemical formula: (C₂H₅)₂O

See also: Chemical Table.

Diffusion Bonding

A solid-state process for joining metals by using heat and pressure to achieve atomic bonding.

Display Cases

Once complete it is a good idea to finish the model and keep it clean with a display case. There are a number of different ways in which a display case may be constructed. more......

Drill Bits

Normally made of hardened or high speed steel with two cutting edges on the conical end with two helical flutes that act to move material away from the cutting edges. more......

Duralumin

4 % Copper 95 % Aluminium 0.5 % Manganese 0.5 % Magnesium

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