frettagen.¹

/ˈfrɛtɪdʒ/

Etymology: < French frettage, < fretter to ring, < frette fret n.⁵

a. The process of shrinking on rings of metal about the breech of a gun to give additional strength.

b. The collection of rings thus employed.

ΘΚΠ

society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > raised band on cannon > on breech

base ring1626

carnouse1626

button1640

button astragal1847

neck fillet1859

frettage1882

1882 Rep. Chief of Ordnance 244 The gun..ordinarily receives an exterior frettage.

This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018).

frettagen.²

/ˈfrɛtɪdʒ/

Etymology: < fret v.¹ + -age suffix.

= fretting n.¹ 1c; frettage corrosion, fretting corrosion.

ΘΚΠ

the world > matter > condition of matter > bad condition of matter > [noun] > corrosion > corrosion and friction

frettage1938

fretting1939

1938 Times 29 June 11/3 The Engineering Department itself is attacking the puzzling problem of ‘frettage corrosion’, which, when vibration is present, causes a fine reddish-brown dust to appear between surfaces usually regarded as fitting so tightly that no relative movement is possible.

1960 U. R. Evans Corrosion & Oxidation of Metals xviii. 738 In aircraft, frettage has been found between plates of bolted or riveted assemblages.

1960 U. R. Evans Corrosion & Oxidation of Metals xviii. 738 The presence of oxygen..increases damage due to frettage, which in presence of oxygen is called fretting oxidation or fretting corrosion.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2018).

单词	frettage
释义	frettagen.¹ /ˈfrɛtɪdʒ/ Etymology: < French frettage, < fretter to ring, < frette fret n.⁵ a. The process of shrinking on rings of metal about the breech of a gun to give additional strength. b. The collection of rings thus employed. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > raised band on cannon > on breech base ring1626 carnouse1626 button1640 button astragal1847 neck fillet1859 frettage1882 1882 Rep. Chief of Ordnance 244 The gun..ordinarily receives an exterior frettage. This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018). frettagen.² /ˈfrɛtɪdʒ/ Etymology: < fret v.¹ + -age suffix. = fretting n.¹ 1c; frettage corrosion, fretting corrosion. ΘΚΠ the world > matter > condition of matter > bad condition of matter > [noun] > corrosion > corrosion and friction frettage1938 fretting1939 1938 Times 29 June 11/3 The Engineering Department itself is attacking the puzzling problem of ‘frettage corrosion’, which, when vibration is present, causes a fine reddish-brown dust to appear between surfaces usually regarded as fitting so tightly that no relative movement is possible. 1960 U. R. Evans Corrosion & Oxidation of Metals xviii. 738 In aircraft, frettage has been found between plates of bolted or riveted assemblages. 1960 U. R. Evans Corrosion & Oxidation of Metals xviii. 738 The presence of oxygen..increases damage due to frettage, which in presence of oxygen is called fretting oxidation or fretting corrosion. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2018). < n.¹1882n.²1938
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frettagen.1

frettagen.2

frettagen.¹

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