Inextensible steel reinforcements are either flat ribbed strips or welded wire mats, both of which are hot dip galvanized (except for temporary structures).

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Energy deposition at the interface of the particles caused by micro-explosive welding in explosive consolidation of metal powders is analyzed by symmetrical impaction model of uncompressible liquid. Two-dimensional equation of energy in the flow field of explosive welding is deduced and solved by finite difference method. Then the distribution of the temperature in the flow field is calculated on the basis of considering the adiabatic compression.

摘 要：以不可壓縮理想流體對(duì)稱碰撞模型對(duì)金屬粉末爆炸燒結(jié)中由微爆炸焊接引起的顆粒界面附近沉積的能量進(jìn)行了分析，在考慮熱傳導(dǎo)效應(yīng)的基礎(chǔ)上推導(dǎo)出了焊接流場(chǎng)中二維形式的能量方程并用有限差分法對(duì)其進(jìn)行了求解业余处女视频网站，在考慮沖擊絕熱壓縮貢獻(xiàn)的基礎(chǔ)上計(jì)算出了焊接流場(chǎng)中的溫度分布欧美精品视频国。

Second, and most importantly, many of the strongest aluminum alloys are not weldable using conventional techniques.

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The depth of groove resulting from trimming the internal flash of pipe shall not undercut the contour of the pipe by more than 0.4mm according to paragraph 7.8.7 of API 5L specification.

因裁切內(nèi)部閃光焊接痕跡所致的焊接坡口深度應(yīng)按 API 5L 中第7.8.7節(jié)下所規(guī)定的不可超過(guò)管道底部邊緣0.4毫米国产又黄又粗又爽又色的视频在线。

It shows that the strength and the elongate rate of joint increased earlier and then decreased with the welding velocity increasing,when the welding velocity was 200 mm/min the strength was highest (coefficient was 67%).

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In applications field, induction heating apply to melting, fully heating, heat treatment and jointing, and it is a important energy sources in many industries such as metallurgy, national defense, machine-driven industry.

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mastic：膠粘劑

用隔汽的膠粘劑(mastic)或密封膠(sealant)密封外保溫層的穿透部位,如風(fēng)管吊架日韩激情一级毛片免费、溫度控制傳感器等部位. 用隔汽蓋板和瑪?shù)壑どw住焊接的銷釘緊固件. 對(duì)于保溫風(fēng)管的吊架,提供一層剛性泡沫玻璃襯墊,或其他的不可壓縮的不導(dǎo)熱材料襯墊,

relief valve：釋壓閥

在管路或設(shè)備上之臨時(shí)性支撐焊接,均須徵得同意后方可施作,不得任意點(diǎn)焊. (13) 釋壓閥(Relief Valve)、安全閥(Safety Valve)安裝時(shí). 其保護(hù)套不可松開(kāi),更不得任意調(diào)整其彈簧螺絲.

unwell：不舒服的/不適

unweldable /不可焊接/ | unwell /不舒服的/不適/ | unwept /無(wú)人哀悼的/無(wú)人悲泣的/

unweldable：不可焊接

unweighted /未加權(quán)的/ | unweldable /不可焊接/ | unwell /不舒服的/不適/

Unwelded：未焊好的

unweldable 不可焊接 | unwelded 未焊好的 | unwheeling 架車

weldable：可焊的

non-weldable steel不可焊接的鋼 | weldable可焊的 | weldable copper可焊復(fù)合銅板

weldable strain gauge：悅焊接式應(yīng)變計(jì)

non-weldable不可焊接的 | weldable strain gauge悅焊接式應(yīng)變計(jì) | weldbonding粘焊(指電阻點(diǎn)焊與用粘膠粘接相結(jié)合的焊接)