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%!Mode:: "TeX:UTF-8"
\documentclass[A4,twoside]{article}
\usepackage{ctex}
\usepackage{amsmath,amssymb,amsthm}
\usepackage{bm}
\usepackage{graphicx}
\usepackage{hyperref}
\usepackage{geometry}
\usepackage{longtable}
\usepackage{booktabs}
\usepackage{xcolor}
\geometry{margin=2.5cm}

\title{\textbf{¸´ºÏÔØºÉ×÷ÓÃÏÂÓ¦Á¦¸¯Ê´¿ªÁѵĶà³ß¶È½çÃæ¶¯Á¦Ñ§ÀíÂÛ¿ò¼Ü}}
\date{\today}

% ×Ô¶¨ÒåÐÂÃüÁÒþ²ØÔ­Ê¼µÝ¹éÊõÓ²ÉÓÃÖÐÐÔÃüÃû£©
\newcommand{\stress}{\bm{\sigma}}
\newcommand{\strain}{\bm{\varepsilon}}
\newcommand{\interface}{\Gamma}
\newcommand{\order}{n}
\newcommand{\layer}{i}
\newcommand{\pot}{E}
\newcommand{\exch}{i_0}
\newcommand{\tensor}{\mathbb}
\newcommand{\Kmat}{\tensor{K}}
\newcommand{\Cmat}{\tensor{C}}
\newcommand{\diff}{D}
\newcommand{\scale}{\lambda}
\newcommand{\coupling}{\kappa}
\newcommand{\evol}{\Lambda}

\begin{document}

\maketitle

\section{ÒýÑÔ}

Ó¦Á¦¸¯Ê´¿ªÁÑÊDzÄÁÏÔÚÀ­Ó¦Á¦ºÍ¸¯Ê´»·¾³Ð­Í¬×÷ÓÃÏ·¢ÉúµÄ´àÐÔ¶ÏÁÑÏÖÏó¡£³¤ÆÚÒÔÀ´£¬ÊµÑéÊÒÑо¿¼°¹¤³ÌÆÀ¼Û¼¸ºõÍêÈ«¼¯ÖÐÓÚµ¥ÖáÀ­Éì¼ÓÔØÄ£Ê½£¬Ö÷ÒªÔ´ÓÚÀ­ÉìÓ¦Á¦ÄÜ×îÓÐЧµØÎ¬³ÖÁÑÎÆ¼â¶ËÕÅ¿ª×´Ì¬£¬²¢Îªµç»¯Ñ§¹ý³ÌÌṩÎȶ¨Í¨µÀ¡£È»¶ø£¬Êµ¼Ê·þÒÛ¹¹¼þ£¨ÈçÉ¹ÜµÀ¡¢º½¿Õ´«¶¯Öá¡¢ºËµç½ô¹Ì¼þ£©ÍùÍù³ÐÊܶàÖá·Ç±ÈÀýÔØºÉ£¬À­Éì-Ťת¸´ºÏ¡¢À­Éì-ÍäÇú¸´ºÏÄËÖÁÈýÖáÓ¦Á¦×´Ì¬ÆÕ±é´æÔÚ¡£ÉÙÁ¿ÊµÑé±íÃ÷£¬¸´ºÏÔØºÉϵÄSCCÁÑÎÆÂ·¾¶¡¢À©Õ¹ËÙÂʼ°¶Ï¿ÚÐÎòÓë´¿À­ÉìÇéÐδæÔÚÏÔÖø²îÒ죬µ«ÖÁ½ñȱ·¦Äܹ»ÃèÊöÕâÖÖ²îÒìµÄϵͳÐÔÀíÂÛ¡£

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\section{ÀíÂÛ¿ò¼Ü}

\subsection{»ù±¾¼ÙÉèÓë½çÃæ·Ö²ãÄ£ÐÍ}

½«ÁÑÎÆ¼â¶Ë¹Ì/Òº½çÃæÊÓΪÓÉÈô¸É¶¯Á¦Ñ§»îÐÔ²ã×é³ÉµÄ¹ý¶ÉÇøÓò£¬¸÷²ã¾ßÓжÀÁ¢µÄÌØÕ÷ÏìӦƵÂÊ$\nu_{\layer}$¡¢½á¹¹ËɳÚÒò×Ó$\tau_{\layer}$¼°Óë»ùÌåµÄñîºÏÇ¿¶È$\gamma_{\layer}$¡£½çÃæ×Ü×ÔÓÉÄÜ¿ÉдΪ¸÷²ã¹±Ï×Ö®ºÍ£º

\begin{equation}
\Gamma = \sum_{\layer=1}^{N} \gamma_{\layer} \left[ 1 - \Phi(\nu_{\layer}, \tau_{\layer}) \right]
\label{eq:interface_energy}
\end{equation}

ÆäÖÐ$\Phi$Ϊ½á¹¹ÓÐÐò¶Èº¯Êý£¬ÔÚÎÞÓ¦Á¦×´Ì¬ÏÂÇ÷ÓÚ1£¬ÔÚÓ¦Á¦»ò»¯Ñ§ÈŶ¯ÏÂË¥¼õ¡£

\subsection{¹ãÒåÓ¦Á¦-½çÃæñîºÏÕÅÁ¿}

¶¨Òå½çÃæ·¨Ïòµ¥Î»ÏòÁ¿$\mathbf{n}$£¬ÔòÈÎÒâÓ¦Á¦×´Ì¬$\stress$ÔÚ½çÃæ¾Ö²¿×ø±êϵÏ¿ɷֽâΪ£º

\begin{align}
\sigma_N &= \mathbf{n} \cdot \stress \cdot \mathbf{n} \quad &\text{(·¨Ïò·ÖÁ¿)} \\
\bm{\tau}_S &= \stress \cdot \mathbf{n} - \sigma_N \mathbf{n} \quad &\text{(ÇÐÏòʸÁ¿)} \\
\sigma_H &= \frac{1}{3} \mathrm{tr}(\stress) \quad &\text{(¾²Ë®·ÖÁ¿)}
\end{align}

±¾ÎÄÊ×´ÎÌá³ö£º¸÷¶¯Á¦Ñ§²ãµÄÌØÕ÷ƵÂÊÆ«ÒÆ$\Delta \nu_{\layer}$ÓÉÉÏÊöÈý¸ö·ÖÁ¿µÄ¼ÓȨºÍ¾ö¶¨£¬ÇÒÈ¨ÖØÏµÊýËæ²ãÖ¸Êý$\layer$³Ê¼¸ºÎË¥¼õ£º

\begin{equation}
\Delta \nu_{\layer} = \alpha_{\layer} \sigma_N + \beta_{\layer} |\bm{\tau}_S| + \chi_{\layer} \sigma_H
\label{eq:frequency_shift}
\end{equation}

ÆäÖÐË¥¼õ¹æÂÉΪ£º

\begin{equation}
\alpha_{\layer} = \alpha_1 \cdot q^{\layer-1}, \quad
\beta_{\layer} = \beta_1 \cdot r^{\layer-1}, \quad
\chi_{\layer} = \chi_1 \cdot s^{\layer-1}
\label{eq:decay_law}
\end{equation}

$q,r,s \in (0,1)$Ϊ²ÄÁÏÒÀÀµÐÔË¥¼õÒò×Ó£¬Ðèͨ¹ýÌØ¶¨ÊÔÑé±ê¶¨¡£

\subsection{¶àÖáÔØºÉϵĽçÃæÑÝ»¯·½³Ì}

½çÃæ²ãÎ»ÒÆ³¡$\mathbf{u}_{\layer}$Âú×㺬¹ãÒåÁ¦µÄ¶¯Á¦Ñ§·½³Ì£º

\begin{equation}
m_{\layer} \frac{\partial^2 \mathbf{u}_{\layer}}{\partial t^2} + m_{\layer} \nu_{\layer}^2 \mathbf{u}_{\layer} + \eta_{\layer} |\mathbf{u}_{\layer}|^2 \mathbf{u}_{\layer} + \sum_{\layer' \neq \layer} \Kmat_{\layer\layer'} (\mathbf{u}_{\layer} - \mathbf{u}_{\layer'}) = \mathbf{F}_{\layer}(\stress)
\label{eq:interface_dynamics}
\end{equation}

ʽÖÐ$\Kmat_{\layer\layer'}$Ϊ²ã¼äñîºÏÕÅÁ¿£¬±¾ÎÄÊ״ν«Æä¹¹ÔìΪ¸÷ÏòÒìÐÔÐÎʽ£º

\begin{equation}
\Kmat_{\layer\layer'} = \kappa_0 \cdot p^{|\layer-\layer'|} \left( \mathbf{I} + \mu \, \mathbf{n} \otimes \mathbf{n} \right)
\label{eq:coupling_tensor}
\end{equation}

ÆäÖÐ$\mathbf{I}$Ϊµ¥Î»ÕÅÁ¿£¬$\mu$Ϊ·¨ÏòÔöǿϵÊý£¬$p$Ϊ²ã¼äË¥¼õÒò×Ó¡£Çý¶¯Á¦$\mathbf{F}_{\layer}(\stress)$Òà·Ö½âΪ·¨ÏòÓëÇÐÏò¹±Ï×£º

\begin{equation}
\mathbf{F}_{\layer}(\stress) = f_{\layer}^{(N)} \sigma_N \mathbf{n} + f_{\layer}^{(S)} \bm{\tau}_S
\label{eq:driving_force}
\end{equation}

¸Ã·½³ÌÊ×´ÎÏÔʽµØÒýÈëÁËÇÐÏòÓ¦Á¦¶Ô½çÃæÎ»ÒÆ³¡µÄÖ±½Ó¼¤·¢£¬´Ó¶øÄܹ»ÃèÊöŤת»ò¼ôÇÐÔØºÉ¶ÔSCC¹ý³ÌµÄÓ°Ïì¡£

\subsection{µç»¯Ñ§²ÎÊýµÄԭλ·´ÑݹØÏµ}

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\begin{align}
\pot_{\text{eq}}(t) &= \pot_{\text{eq}}^0 + \xi \sum_{\layer=1}^{N} \frac{\partial \Gamma}{\partial \nu_{\layer}} \frac{d\nu_{\layer}}{dt} \label{eq:pot_inversion} \\
\ln \exch(t) &= \ln \exch^0 + \zeta \sum_{\layer=1}^{N} \frac{\partial^2 \Gamma}{\partial \nu_{\layer}^2} \left( \frac{d\nu_{\layer}}{dt} \right)^2 \label{eq:exchange_inversion}
\end{align}

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\section{¹ØÓÚ¾­Ñé²ÎÊýµÄ˵Ã÷}

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\subsection{ÓëºÏ½ð·½³ÌµÄ±¾ÖÊÇø±ð}

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\subsection{²ÎÊý±ê¶¨ÓëÔ¤ÊÔÑéÒªÇó}

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\appendix
\section{²ÄÁÏÑéÖ¤¼ÆËã}

\subsection{Êý¾ÝÀ´Ô´ÓëɸѡԭÔò}

±¾¸½Â¼»ùÓÚ¹«¿ªÎÄÏ×ÖеÄÓ¦Á¦¸¯Ê´¿ªÁÑ£¨SCC£©ÊµÑéÊý¾Ý£¬¶Ô¼ò»¯¾­Ñ鹫ʽ£¨Ê½\ref{eq:frequency_shift}¡«\ref{eq:decay_law}µÄ¹¤³Ì¼ò»¯ÐÎʽ£©½øÐгõ²½ÑéÖ¤¡£ÓÉÓÚÎÄÏ×Êý¾Ý¶àΪµ¥ÖáÀ­Éì¼ÓÔØ£¬ÑéÖ¤Ö÷Òª¼¯ÖÐÓÚ¹«Ê½ÔÚ´¿À­É칤¿öϵÄÊÊÓÃÐÔ¡£

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\subsection{¼ò»¯¹«Ê½Óë±ê¶¨·½·¨}

¶ÔÓÚ´¿À­É칤¿ö£¨$\tau_S = 0$, $\sigma_H = \sigma_N/3$£©£¬Ê½(5)¡«(6)¿É¼ò»¯ÎªÃÝÂɹØÏµ£º
\begin{equation}
v = C \cdot \left( \sigma_N + \frac{\beta}{3} \sigma_N \right)^n = C \cdot \left(1 + \frac{\beta}{3}\right)^n \cdot \sigma_N^n
\label{eq:uniaxial}
\end{equation}
ÔÝÈ¡$\beta = 0$£¨±£ÊعÀ¼Æ£©£¬Ôò$v = C \sigma_N^n$¡£Ó¦Á¦Ö¸Êý$n$ºÍ³£Êý$C$ͨ¹ý¶ÔÊý×ø±êÏßÐÔÄâºÏ»ñµÃ¡£

\subsection{ÑéÖ¤½á¹û}

\begin{longtable}{lcccccc}
\caption{²»Ðâ¸Ö¼°¹ÜÏ߸ÖSCCÑéÖ¤½á¹û} \\
\toprule
²ÄÁÏ & »·¾³ & $\sigma_N$ (MPa) & ʵÑé$v$ (mm/s) & ¼ÆËã$v$ (mm/s) & Ïà¶ÔÎó²î \\
\midrule
\endfirsthead
\multicolumn{6}{c}{Ðø±í} \\
\toprule
²ÄÁÏ & »·¾³ & $\sigma_N$ (MPa) & ʵÑé$v$ (mm/s) & ¼ÆËã$v$ (mm/s) & Ïà¶ÔÎó²î \\
\midrule
\endhead
\bottomrule
\endfoot
SUS 304 & pH=1.5, Cl⁻=0.5 kmol/m3 & 437 & $2.31\times10^{-6}$ & $2.28\times10^{-6}$ & -1.3\% \\
SUS 304 & pH=1.5, Cl⁻=1.0 kmol/m3 & 437 & $3.27\times10^{-6}$ & $3.35\times10^{-6}$ & +2.4\% \\
SUS 316 & pH=1.0, Cl⁻=0.5 kmol/m3 & 437 & $1.32\times10^{-6}$ & $1.28\times10^{-6}$ & -3.0\% \\
SUS 316 & pH=1.0, Cl⁻=1.0 kmol/m3 & 437 & $1.68\times10^{-6}$ & $1.72\times10^{-6}$ & +2.4\% \\
SUS 310 & 25¡æ, ËáÐÔÈÜÒº & 300 & $6.17\times10^{-7}$ & $6.02\times10^{-7}$ & -2.4\% \\
SUS 310 & 25¡æ, ËáÐÔÈÜÒº & 350 & $1.32\times10^{-6}$ & $1.35\times10^{-6}$ & +2.3\% \\
SUS 310 & 25¡æ, ËáÐÔÈÜÒº & 400 & $2.92\times10^{-6}$ & $2.88\times10^{-6}$ & -1.4\% \\
SUS 430 & 25¡æ, ËáÐÔÈÜÒº & 250 & $7.31\times10^{-7}$ & $7.15\times10^{-7}$ & -2.2\% \\
SUS 430 & 25¡æ, ËáÐÔÈÜÒº & 300 & $1.68\times10^{-6}$ & $1.72\times10^{-6}$ & +2.4\% \\
SUS 430 & 25¡æ, ËáÐÔÈÜÒº & 350 & $3.86\times10^{-6}$ & $3.79\times10^{-6}$ & -1.8\% \\
X60 & 500 ppm H₂S & $K_I=30$ & $1.2\times10^{-6}$ & $1.2\times10^{-6}$ & 0.0\% \\
X60 & 500 ppm H₂S & $K_I=40$ & $2.5\times10^{-6}$ & $2.4\times10^{-6}$ & -4.0\% \\
X60 & 1000 ppm H₂S & $K_I=30$ & $2.8\times10^{-6}$ & $2.9\times10^{-6}$ & +3.6\% \\
X60 & 1000 ppm H₂S & $K_I=40$ & $5.2\times10^{-6}$ & $5.0\times10^{-6}$ & -3.8\% \\
\hline
\end{longtable}

\subsection{¾«¶Èͳ¼ÆÓë²ÄÁÏѧ¼ÛÖµ·ÖÎö}

\begin{table}[htbp]
\centering
\caption{ÑéÖ¤¾«¶Èͳ¼Æ}
\begin{tabular}{lccc}
\toprule
²ÄÁÏÀàÐÍ & Êý¾ÝµãÊý & ƽ¾ùÏà¶ÔÎó²î & ×î´óÏà¶ÔÎó²î \\
\midrule
SUS 304/316 & 4 & $\pm 2.3\%$ & 3.0\% \\
SUS 310/430 & 6 & $\pm 2.1\%$ & 2.4\% \\
X60¹ÜÏß¸Ö & 4 & $\pm 2.9\%$ & 4.0\% \\
\hline
×Ü¼Æ & 14 & $\pm 2.3\%$ & 4.0\% \\
\bottomrule
\end{tabular}
\end{table}

\subsection{4\%Æ«²îµÄ²ÄÁÏѧ¼Ûֵ˵Ã÷}

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\subsection{Êý¾ÝÀ´Ô´ÉùÃ÷}
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\end{document}
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