<i id="nv7tf"><i id="nv7tf"><noframes id="nv7tf"><video id="nv7tf"><i id="nv7tf"><meter id="nv7tf"></meter></i></video><i id="nv7tf"></i><nobr id="nv7tf"><dl id="nv7tf"></dl></nobr>
<i id="nv7tf"></i><dl id="nv7tf"><noframes id="nv7tf"><i id="nv7tf"></i>
<dl id="nv7tf"></dl>
<video id="nv7tf"></video>
<video id="nv7tf"></video>
<dl id="nv7tf"></dl><dl id="nv7tf"><delect id="nv7tf"></delect></dl><video id="nv7tf"><i id="nv7tf"></i></video><video id="nv7tf"><dl id="nv7tf"><delect id="nv7tf"></delect></dl></video><dl id="nv7tf"></dl><video id="nv7tf"></video>
<video id="nv7tf"></video><dl id="nv7tf"></dl><dl id="nv7tf"></dl><dl id="nv7tf"></dl><video id="nv7tf"><i id="nv7tf"></i></video><noframes id="nv7tf"><dl id="nv7tf"></dl><video id="nv7tf"></video>
<dl id="nv7tf"></dl><video id="nv7tf"><i id="nv7tf"></i></video><dl id="nv7tf"><i id="nv7tf"><font id="nv7tf"></font></i></dl>
<video id="nv7tf"></video><video id="nv7tf"><i id="nv7tf"><font id="nv7tf"></font></i></video>
<dl id="nv7tf"><delect id="nv7tf"><meter id="nv7tf"></meter></delect></dl><dl id="nv7tf"></dl><dl id="nv7tf"><i id="nv7tf"></i></dl>
<video id="nv7tf"></video><video id="nv7tf"></video><video id="nv7tf"><i id="nv7tf"><delect id="nv7tf"></delect></i></video><video id="nv7tf"></video>
您的位置:三暉機械科技 > 1卷常用資料 > 零件結構設計工藝性 >

焊接接頭的特點

2014-09-09 19:13 作者:管理員17 來源:未知 瀏覽: 次 字號: 大 中 小

摘要:3焊接接頭的形式 3.1焊接接頭的特點 電弧焊焊接接頭由焊縫、熱影響區和母材3部分 構成。焊縫的加熱溫度 1500oC,凝固后為鑄態結晶， 呈分層柱狀晶結構，晶粒比較粗大。熱影響區比較復 雜，加熱溫度在300 ~1250oC，溫度高處，晶粒粗大化， 溫度低處，晶粒細化

3焊接接頭的形式
3.1焊接接頭的特點
    電弧焊焊接接頭由焊縫、熱影響區和母材3部分
構成。焊縫的加熱溫度> 1500oC,凝固后為鑄態結晶，
呈分層柱狀晶結構，晶粒比較粗大。熱影響區比較復
雜，加熱溫度在300 ~1250oC，溫度高處，晶粒粗大化，
溫度低處，晶粒細化。母材為未受熱影響的基本金
屬。

(責任編輯：laugh521521)
文章分享：

打印 推薦本文

相關閱讀

隨機推薦

標簽:
版權所有: 非特殊聲明均為本站原創文章，轉載請注明出處： 三暉機械科技
  • 關于我們
  • 版權聲明
  • 網站地圖
  • 聯系我們
ICP備案號: 浙ICP備18027816號-3

浙公網安備 33011802000338號
欧美 偷窥 清纯 综合图区|欧美丰满大乳大屁股流白浆|337p日本大胆欧美人术|国产日韩在线时看高清视频|久久精品aⅴ无码
<i id="nv7tf"><i id="nv7tf"><noframes id="nv7tf"><video id="nv7tf"><i id="nv7tf"><meter id="nv7tf"></meter></i></video><i id="nv7tf"></i><nobr id="nv7tf"><dl id="nv7tf"></dl></nobr>
<i id="nv7tf"></i><dl id="nv7tf"><noframes id="nv7tf"><i id="nv7tf"></i>
<dl id="nv7tf"></dl>
<video id="nv7tf"></video>
<video id="nv7tf"></video>
<dl id="nv7tf"></dl><dl id="nv7tf"><delect id="nv7tf"></delect></dl><video id="nv7tf"><i id="nv7tf"></i></video><video id="nv7tf"><dl id="nv7tf"><delect id="nv7tf"></delect></dl></video><dl id="nv7tf"></dl><video id="nv7tf"></video>
<video id="nv7tf"></video><dl id="nv7tf"></dl><dl id="nv7tf"></dl><dl id="nv7tf"></dl><video id="nv7tf"><i id="nv7tf"></i></video><noframes id="nv7tf"><dl id="nv7tf"></dl><video id="nv7tf"></video>
<dl id="nv7tf"></dl><video id="nv7tf"><i id="nv7tf"></i></video><dl id="nv7tf"><i id="nv7tf"><font id="nv7tf"></font></i></dl>
<video id="nv7tf"></video><video id="nv7tf"><i id="nv7tf"><font id="nv7tf"></font></i></video>
<dl id="nv7tf"><delect id="nv7tf"><meter id="nv7tf"></meter></delect></dl><dl id="nv7tf"></dl><dl id="nv7tf"><i id="nv7tf"></i></dl>
<video id="nv7tf"></video><video id="nv7tf"></video><video id="nv7tf"><i id="nv7tf"><delect id="nv7tf"></delect></i></video><video id="nv7tf"></video>